157612104 has 72 divisors (see below), whose sum is σ = 462263490. Its totient is φ = 48492288.

The previous prime is 157612097. The next prime is 157612121. The reversal of 157612104 is 401216751.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 43164900 + 114447204 = 6570^2 + 10698^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5692 + ... + 18644.

Almost surely, 2^157612104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157612104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231131745).

157612104 is an abundant number, since it is smaller than the sum of its proper divisors (304651386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157612104 is a wasteful number, since it uses less digits than its factorization.

157612104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12991 (or 12971 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 157612104 is about 12554.3659338096. The cubic root of 157612104 is about 540.1692473603.

Adding to 157612104 its reverse (401216751), we get a palindrome (558828855).

The spelling of 157612104 in words is "one hundred fifty-seven million, six hundred twelve thousand, one hundred four".