157144728749 has 8 divisors (see below), whose sum is σ = 160602203520. Its totient is φ = 153692002816.

The previous prime is 157144728737. The next prime is 157144728757. The reversal of 157144728749 is 947827441751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157144728749 - 2¹⁶ = 157144663213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157144728649) 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 7 ways as a sum of consecutive naturals, for example, 1120259 + ... + 1252704.

It is an arithmetic number, because the mean of its divisors is an integer number (20075275440).

Almost surely, 2^157144728749 is an apocalyptic number.

It is an amenable number.

157144728749 is a deficient number, since it is larger than the sum of its proper divisors (3457474771).

157144728749 is a wasteful number, since it uses less digits than its factorization.

157144728749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374419.

The product of its digits is 15805440, while the sum is 59.

The spelling of 157144728749 in words is "one hundred fifty-seven billion, one hundred forty-four million, seven hundred twenty-eight thousand, seven hundred forty-nine".