157454763317 has 8 divisors (see below), whose sum is σ = 168246322200. Its totient is φ = 146833150464.

The previous prime is 157454763307. The next prime is 157454763337. The reversal of 157454763317 is 713367454751.

It can be written as a sum of positive squares in 4 ways, for example, as 12599164516 + 144855598801 = 112246^2 + 380599^2 .

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 157454763317 - 2⁶ = 157454763253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157454763307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42484592 + ... + 42488297.

It is an arithmetic number, because the mean of its divisors is an integer number (21030790275).

Almost surely, 2^157454763317 is an apocalyptic number.

157454763317 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

157454763317 is a deficient number, since it is larger than the sum of its proper divisors (10791558883).

157454763317 is a wasteful number, since it uses less digits than its factorization.

157454763317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84973015.

The product of its digits is 7408800, while the sum is 53.

The spelling of 157454763317 in words is "one hundred fifty-seven billion, four hundred fifty-four million, seven hundred sixty-three thousand, three hundred seventeen".