157228926 has 8 divisors (see below), whose sum is σ = 314457864. Its totient is φ = 52409640.

The previous prime is 157228879. The next prime is 157228927. The reversal of 157228926 is 629822751.

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

157228926 is an admirable number.

It is a super-4 number, since 4×157228926⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157228927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13102405 + ... + 13102416.

It is an arithmetic number, because the mean of its divisors is an integer number (39307233).

Almost surely, 2^157228926 is an apocalyptic number.

157228926 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

157228926 is a wasteful number, since it uses less digits than its factorization.

157228926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26204826.

The product of its digits is 120960, while the sum is 42.

The square root of 157228926 is about 12539.0959004228. The cubic root of 157228926 is about 539.7311487474.

The spelling of 157228926 in words is "one hundred fifty-seven million, two hundred twenty-eight thousand, nine hundred twenty-six".