45943887 has 16 divisors (see below), whose sum is σ = 67772160. Its totient is φ = 27451200.

The previous prime is 45943883. The next prime is 45943889. The reversal of 45943887 is 78834954.

It is not a de Polignac number, because 45943887 - 2² = 45943883 is a prime.

It is a super-2 number, since 2×45943887² = 4221681505337538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45943883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7462 + ... + 12147.

It is an arithmetic number, because the mean of its divisors is an integer number (4235760).

Almost surely, 2^45943887 is an apocalyptic number.

45943887 is a deficient number, since it is larger than the sum of its proper divisors (21828273).

45943887 is a wasteful number, since it uses less digits than its factorization.

45943887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19694.

The product of its digits is 967680, while the sum is 48.

The square root of 45943887 is about 6778.1920155747. The cubic root of 45943887 is about 358.1590353820.

The spelling of 45943887 in words is "forty-five million, nine hundred forty-three thousand, eight hundred eighty-seven".