157282225828 has 96 divisors (see below), whose sum is σ = 352245454848. Its totient is φ = 59774284800.

The previous prime is 157282225823. The next prime is 157282225871. The reversal of 157282225828 is 828522282751.

It is a super-2 number, since 2×157282225828² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (157282225823) 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, 1495038 + ... + 1596778.

It is an arithmetic number, because the mean of its divisors is an integer number (3669223488).

Almost surely, 2^157282225828 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 157282225828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176122727424).

157282225828 is an abundant number, since it is smaller than the sum of its proper divisors (194963229020).

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

157282225828 is a wasteful number, since it uses less digits than its factorization.

157282225828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101933 (or 101931 counting only the distinct ones).

The product of its digits is 2867200, while the sum is 52.

The spelling of 157282225828 in words is "one hundred fifty-seven billion, two hundred eighty-two million, two hundred twenty-five thousand, eight hundred twenty-eight".