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145524940093 = 1337302546653
BaseRepresentation
bin1000011110000111110…
…1100101110100111101
3111220121212211220202001
42013201331211310331
54341013341040333
6150504144302301
713341146403241
oct2074175456475
9456555756661
10145524940093
1156798042435
1224254011991
13109523c8810
1470872d8421
153bbacbab7d
hex21e1f65d3d

145524940093 has 8 divisors (see below), whose sum is σ = 160954819928. Its totient is φ = 130700153664.

The previous prime is 145524940079. The next prime is 145524940139. The reversal of 145524940093 is 390049425541.

It can be written as a sum of positive squares in 4 ways, for example, as 10245893284 + 135279046809 = 101222^2 + 367803^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145524940093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145524040093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151272846 + ... + 151273807.

It is an arithmetic number, because the mean of its divisors is an integer number (20119352491).

Almost surely, 2145524940093 is an apocalyptic number.

145524940093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145524940093 is a deficient number, since it is larger than the sum of its proper divisors (15429879835).

145524940093 is a wasteful number, since it uses less digits than its factorization.

145524940093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302546703.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 145524940093 in words is "one hundred forty-five billion, five hundred twenty-four million, nine hundred forty thousand, ninety-three".

Divisors: 1 13 37 481 302546653 3933106489 11194226161 145524940093