157214436 has 96 divisors (see below), whose sum is σ = 418037760. Its totient is φ = 45679104.

The previous prime is 157214429. The next prime is 157214437. The reversal of 157214436 is 634412751.

It is a junction number, because it is equal to n+sod(n) for n = 157214397 and 157214406.

It is not an unprimeable number, because it can be changed into a prime (157214437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181741 + ... + 182603.

It is an arithmetic number, because the mean of its divisors is an integer number (4354560).

Almost surely, 2^157214436 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 157214436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209018880).

157214436 is an abundant number, since it is smaller than the sum of its proper divisors (260823324).

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

157214436 is a wasteful number, since it uses less digits than its factorization.

157214436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 951 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 157214436 is about 12538.5180942566. The cubic root of 157214436 is about 539.7145679464.

The spelling of 157214436 in words is "one hundred fifty-seven million, two hundred fourteen thousand, four hundred thirty-six".