157145716 has 48 divisors (see below), whose sum is σ = 339704064. Its totient is φ = 61940736.

The previous prime is 157145707. The next prime is 157145717. The reversal of 157145716 is 617541751.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157145717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127881 + ... + 129103.

It is an arithmetic number, because the mean of its divisors is an integer number (7077168).

Almost surely, 2^157145716 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 157145716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169852032).

157145716 is an abundant number, since it is smaller than the sum of its proper divisors (182558348).

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

157145716 is a wasteful number, since it uses less digits than its factorization.

157145716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600 (or 1598 counting only the distinct ones).

The product of its digits is 29400, while the sum is 37.

The square root of 157145716 is about 12535.7774389944. Note that the first 3 decimals coincide. The cubic root of 157145716 is about 539.6359182766.

The spelling of 157145716 in words is "one hundred fifty-seven million, one hundred forty-five thousand, seven hundred sixteen".