157950761 has 4 divisors (see below), whose sum is σ = 159156624. Its totient is φ = 156744900.

The previous prime is 157950721. The next prime is 157950763. The reversal of 157950761 is 167059751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 167059751 = 683 ⋅244597.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157950761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157950763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602735 + ... + 602996.

It is an arithmetic number, because the mean of its divisors is an integer number (39789156).

Almost surely, 2^157950761 is an apocalyptic number.

It is an amenable number.

157950761 is a deficient number, since it is larger than the sum of its proper divisors (1205863).

157950761 is a wasteful number, since it uses less digits than its factorization.

157950761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205862.

The product of its (nonzero) digits is 66150, while the sum is 41.

The square root of 157950761 is about 12567.8463151011. The cubic root of 157950761 is about 540.5558531007. Note that the first 3 decimals are identical.

The spelling of 157950761 in words is "one hundred fifty-seven million, nine hundred fifty thousand, seven hundred sixty-one".