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145159592 = 2318144949
BaseRepresentation
bin10001010011011…
…11010110101000
3101010010212112012
420221233112220
5244130101332
622223135052
73411556544
oct1051572650
9333125465
10145159592
1174a36606
1240744488
13240c5966
14153c8a24
15cb253b2
hex8a6f5a8

145159592 has 8 divisors (see below), whose sum is σ = 272174250. Its totient is φ = 72579792.

The previous prime is 145159591. The next prime is 145159643. The reversal of 145159592 is 295951541.

145159592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 113507716 + 31651876 = 10654^2 + 5626^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (145159591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9072467 + ... + 9072482.

Almost surely, 2145159592 is an apocalyptic number.

It is an amenable number.

145159592 is a deficient number, since it is larger than the sum of its proper divisors (127014658).

145159592 is a wasteful number, since it uses less digits than its factorization.

145159592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18144955 (or 18144951 counting only the distinct ones).

The product of its digits is 81000, while the sum is 41.

The square root of 145159592 is about 12048.2194535126. The cubic root of 145159592 is about 525.5514592451.

The spelling of 145159592 in words is "one hundred forty-five million, one hundred fifty-nine thousand, five hundred ninety-two".

Divisors: 1 2 4 8 18144949 36289898 72579796 145159592