157371228 has 192 divisors, whose sum is σ = 492011520. Its totient is φ = 42565824.

The previous prime is 157371211. The next prime is 157371259. The reversal of 157371228 is 822173751.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 157371192 and 157371201.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1527825 + ... + 1527927.

It is an arithmetic number, because the mean of its divisors is an integer number (2562560).

Almost surely, 2^157371228 is an apocalyptic number.

157371228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157371228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246005760).

157371228 is an abundant number, since it is smaller than the sum of its proper divisors (334640292).

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

157371228 is a wasteful number, since it uses less digits than its factorization.

157371228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 205 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 157371228 is about 12544.7689496459. The cubic root of 157371228 is about 539.8939297837.

The spelling of 157371228 in words is "one hundred fifty-seven million, three hundred seventy-one thousand, two hundred twenty-eight".