157388334951745 has 8 divisors (see below), whose sum is σ = 188866753703784. Its totient is φ = 125910166786944.

The previous prime is 157388334951713. The next prime is 157388334951761. The reversal of 157388334951745 is 547159433883751.

It can be written as a sum of positive squares in 4 ways, for example, as 1787459367681 + 155600875584064 = 1336959^2 + 12474008^2 .

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 157388334951745 - 2⁵ = 157388334951713 is a prime.

It is a Duffinian 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, 61262254 + ... + 63779623.

It is an arithmetic number, because the mean of its divisors is an integer number (23608344212973).

Almost surely, 2^{157388334951745} is an apocalyptic number.

It is an amenable number.

157388334951745 is a deficient number, since it is larger than the sum of its proper divisors (31478418752039).

157388334951745 is a wasteful number, since it uses less digits than its factorization.

157388334951745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125293619.

The product of its digits is 1524096000, while the sum is 73.

The spelling of 157388334951745 in words is "one hundred fifty-seven trillion, three hundred eighty-eight billion, three hundred thirty-four million, nine hundred fifty-one thousand, seven hundred forty-five".