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144714571740 = 22325803969843
BaseRepresentation
bin1000011011000110101…
…0010001111111011100
3111211112101222221100100
42012301222101333130
54332333412243430
6150251515301100
713312106364264
oct2066152217734
9454471887310
10144714571740
115641166a722
122406874a790
131085355550b
14700b8307a4
153b6ea96960
hex21b1a91fdc

144714571740 has 36 divisors (see below), whose sum is σ = 438967534824. Its totient is φ = 38590552416.

The previous prime is 144714571699. The next prime is 144714571747. The reversal of 144714571740 is 47175417441.

It is a happy number.

144714571740 is a `hidden beast` number, since 1 + 4 + 4 + 7 + 1 + 4 + 571 + 74 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144714571747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401984742 + ... + 401985101.

It is an arithmetic number, because the mean of its divisors is an integer number (12193542634).

Almost surely, 2144714571740 is an apocalyptic number.

144714571740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144714571740 is an abundant number, since it is smaller than the sum of its proper divisors (294252963084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144714571740 is a wasteful number, since it uses less digits than its factorization.

144714571740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803969858 (or 803969853 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 45.

The spelling of 144714571740 in words is "one hundred forty-four billion, seven hundred fourteen million, five hundred seventy-one thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 803969843 1607939686 2411909529 3215879372 4019849215 4823819058 7235728587 8039698430 9647638116 12059547645 14471457174 16079396860 24119095290 28942914348 36178642935 48238190580 72357285870 144714571740