157226916 has 144 divisors (see below), whose sum is σ = 476672000. Its totient is φ = 39441600.

The previous prime is 157226911. The next prime is 157226939. The reversal of 157226916 is 619622751.

It is a super-2 number, since 2×157226916² = 49440606229742112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157226911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314835 + ... + 315333.

Almost surely, 2^157226916 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 157226916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238336000).

157226916 is an abundant number, since it is smaller than the sum of its proper divisors (319445084).

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

157226916 is a wasteful number, since it uses less digits than its factorization.

157226916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 553 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 157226916 is about 12539.0157508474. The cubic root of 157226916 is about 539.7288487800.

The spelling of 157226916 in words is "one hundred fifty-seven million, two hundred twenty-six thousand, nine hundred sixteen".