157055406224 has 30 divisors (see below), whose sum is σ = 311736822306. Its totient is φ = 76607441920.

The previous prime is 157055406223. The next prime is 157055406239. The reversal of 157055406224 is 422604550751.

It can be written as a sum of positive squares in 3 ways, for example, as 176039824 + 156879366400 = 13268^2 + 396080^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157055406223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10142552 + ... + 10158024.

Almost surely, 2^157055406224 is an apocalyptic number.

It is an amenable number.

157055406224 is a deficient number, since it is larger than the sum of its proper divisors (154681416082).

157055406224 is an frugal number, since it uses more digits than its factorization.

157055406224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30995 (or 15516 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 41.

Multiplying 157055406224 by its sum of digits (41), we get a square (6439271655184 = 2537572²).

157055406224 divided by its sum of digits (41) gives a square (3830619664 = 61892²).

Adding to 157055406224 its reverse (422604550751), we get a palindrome (579659956975).

The spelling of 157055406224 in words is "one hundred fifty-seven billion, fifty-five million, four hundred six thousand, two hundred twenty-four".