57140465 has 8 divisors (see below), whose sum is σ = 68990208. Its totient is φ = 45431280.

The previous prime is 57140453. The next prime is 57140477. The reversal of 57140465 is 56404175.

It is an interprime number because it is at equal distance from previous prime (57140453) and next prime (57140477).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57140465 - 2⁴ = 57140449 is a prime.

It is a Duffinian number.

It is a Curzon 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, 34241 + ... + 35870.

It is an arithmetic number, because the mean of its divisors is an integer number (8623776).

Almost surely, 2^57140465 is an apocalyptic number.

It is an amenable number.

57140465 is a deficient number, since it is larger than the sum of its proper divisors (11849743).

57140465 is a wasteful number, since it uses less digits than its factorization.

57140465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70279.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 57140465 is about 7559.1312331511. The cubic root of 57140465 is about 385.1659822905.

The spelling of 57140465 in words is "fifty-seven million, one hundred forty thousand, four hundred sixty-five".