157829845625 has 20 divisors (see below), whose sum is σ = 198042721668. Its totient is φ = 125739840000.

The previous prime is 157829845583. The next prime is 157829845631. The reversal of 157829845625 is 526548928751.

It can be written as a sum of positive squares in 10 ways, for example, as 76962411241 + 80867434384 = 277421^2 + 284372^2 .

It is a de Polignac number, because none of the positive numbers 2^k-157829845625 is a prime.

It is a super-2 number, since 2×157829845625² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 373292 + ... + 674541.

Almost surely, 2^157829845625 is an apocalyptic number.

It is an amenable number.

157829845625 is a deficient number, since it is larger than the sum of its proper divisors (40212876043).

157829845625 is an equidigital number, since it uses as much as digits as its factorization.

157829845625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048094 (or 1048079 counting only the distinct ones).

The product of its digits is 48384000, while the sum is 62.

The spelling of 157829845625 in words is "one hundred fifty-seven billion, eight hundred twenty-nine million, eight hundred forty-five thousand, six hundred twenty-five".