157144428730 has 32 divisors (see below), whose sum is σ = 284124672000. Its totient is φ = 62576879232.

The previous prime is 157144428703. The next prime is 157144428737. The reversal of 157144428730 is 37824441751.

It is not an unprimeable number, because it can be changed into a prime (157144428737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11104039 + ... + 11118181.

It is an arithmetic number, because the mean of its divisors is an integer number (8878896000).

Almost surely, 2^157144428730 is an apocalyptic number.

157144428730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157144428730 is a deficient number, since it is larger than the sum of its proper divisors (126980243270).

157144428730 is a wasteful number, since it uses less digits than its factorization.

157144428730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19038.

The product of its (nonzero) digits is 752640, while the sum is 46.

It can be divided in two parts, 15714 and 4428730, that added together give a palindrome (4444444).

The spelling of 157144428730 in words is "one hundred fifty-seven billion, one hundred forty-four million, four hundred twenty-eight thousand, seven hundred thirty".