315457141 has 4 divisors (see below), whose sum is σ = 315702784. Its totient is φ = 315211500.

The previous prime is 315457111. The next prime is 315457193. The reversal of 315457141 is 141754513.

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.

It is a cyclic number.

It is not a de Polignac number, because 315457141 - 2⁹ = 315456629 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 (315457111) 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, 120885 + ... + 123466.

It is an arithmetic number, because the mean of its divisors is an integer number (78925696).

Almost surely, 2^315457141 is an apocalyptic number.

It is an amenable number.

315457141 is a deficient number, since it is larger than the sum of its proper divisors (245643).

315457141 is a wasteful number, since it uses less digits than its factorization.

315457141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245642.

The product of its digits is 8400, while the sum is 31.

The square root of 315457141 is about 17761.1131689430. The cubic root of 315457141 is about 680.7381984763.

The spelling of 315457141 in words is "three hundred fifteen million, four hundred fifty-seven thousand, one hundred forty-one".