157040461 has 4 divisors (see below), whose sum is σ = 157198972. Its totient is φ = 156881952.

The previous prime is 157040449. The next prime is 157040473. The reversal of 157040461 is 164040751.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (157040449) and next prime (157040473).

It can be written as a sum of positive squares in 2 ways, for example, as 131537961 + 25502500 = 11469^2 + 5050^2 .

It is a cyclic number.

It is not a de Polignac number, because 157040461 - 2²⁷ = 22822733 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 (157043461) 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, 77760 + ... + 79753.

It is an arithmetic number, because the mean of its divisors is an integer number (39299743).

Almost surely, 2^157040461 is an apocalyptic number.

It is an amenable number.

157040461 is a deficient number, since it is larger than the sum of its proper divisors (158511).

157040461 is an equidigital number, since it uses as much as digits as its factorization.

157040461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158510.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 157040461 is about 12531.5785518026. The cubic root of 157040461 is about 539.5154100290.

The spelling of 157040461 in words is "one hundred fifty-seven million, forty thousand, four hundred sixty-one".