45892387 has 4 divisors (see below), whose sum is σ = 46577416. Its totient is φ = 45207360.

The previous prime is 45892381. The next prime is 45892393. The reversal of 45892387 is 78329854.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78329854 = 2 ⋅39164927.

It is an interprime number because it is at equal distance from previous prime (45892381) and next prime (45892393).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45892387 is a prime.

It is a super-2 number, since 2×45892387² = 4212222369115538, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45892381) 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, 342414 + ... + 342547.

It is an arithmetic number, because the mean of its divisors is an integer number (11644354).

Almost surely, 2^45892387 is an apocalyptic number.

45892387 is a deficient number, since it is larger than the sum of its proper divisors (685029).

45892387 is an equidigital number, since it uses as much as digits as its factorization.

45892387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685028.

The product of its digits is 483840, while the sum is 46.

The square root of 45892387 is about 6774.3920022390. The cubic root of 45892387 is about 358.0251613039.

The spelling of 45892387 in words is "forty-five million, eight hundred ninety-two thousand, three hundred eighty-seven".