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158881045 = 5311025039
BaseRepresentation
bin10010111100001…
…01010100010101
3102001221222211011
421132011110111
5311133143140
623433212221
73636316021
oct1136052425
9361858734
10158881045
1181758754
1245261071
1326bbb36b
141715b381
15de35cea
hex9785515

158881045 has 8 divisors (see below), whose sum is σ = 196807680. Its totient is φ = 123004560.

The previous prime is 158881013. The next prime is 158881049. The reversal of 158881045 is 540188851.

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

It is not a de Polignac number, because 158881045 - 25 = 158881013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158880989 and 158881007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158881049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512365 + ... + 512674.

It is an arithmetic number, because the mean of its divisors is an integer number (24600960).

Almost surely, 2158881045 is an apocalyptic number.

It is an amenable number.

158881045 is a deficient number, since it is larger than the sum of its proper divisors (37926635).

158881045 is a wasteful number, since it uses less digits than its factorization.

158881045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025075.

The product of its (nonzero) digits is 51200, while the sum is 40.

The square root of 158881045 is about 12604.8024577936. The cubic root of 158881045 is about 541.6150152984.

The spelling of 158881045 in words is "one hundred fifty-eight million, eight hundred eighty-one thousand, forty-five".

Divisors: 1 5 31 155 1025039 5125195 31776209 158881045