157425569 has 16 divisors (see below), whose sum is σ = 183482496. Its totient is φ = 132288000.

The previous prime is 157425557. The next prime is 157425571. The reversal of 157425569 is 965524751.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157425569 is a prime.

It is a super-2 number, since 2×157425569² = 49565619549947522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157415569) 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 15 ways as a sum of consecutive naturals, for example, 74609 + ... + 76689.

It is an arithmetic number, because the mean of its divisors is an integer number (11467656).

Almost surely, 2^157425569 is an apocalyptic number.

It is an amenable number.

157425569 is a deficient number, since it is larger than the sum of its proper divisors (26056927).

157425569 is a wasteful number, since it uses less digits than its factorization.

157425569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296.

The product of its digits is 378000, while the sum is 44.

The square root of 157425569 is about 12546.9346455618. The cubic root of 157425569 is about 539.9560652413.

The spelling of 157425569 in words is "one hundred fifty-seven million, four hundred twenty-five thousand, five hundred sixty-nine".