157144285730 has 16 divisors (see below), whose sum is σ = 287653947840. Its totient is φ = 61792329072.

The previous prime is 157144285699. The next prime is 157144285817. The reversal of 157144285730 is 37582441751.

157144285730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133172534 + ... + 133173713.

It is an arithmetic number, because the mean of its divisors is an integer number (17978371740).

Almost surely, 2^157144285730 is an apocalyptic number.

157144285730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157144285730 is a deficient number, since it is larger than the sum of its proper divisors (130509662110).

157144285730 is a wasteful number, since it uses less digits than its factorization.

157144285730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266346313.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 157144285730 in words is "one hundred fifty-seven billion, one hundred forty-four million, two hundred eighty-five thousand, seven hundred thirty".