45405774 has 12 divisors (see below), whose sum is σ = 98379216. Its totient is φ = 15135252.

The previous prime is 45405757. The next prime is 45405791. The reversal of 45405774 is 47750454.

45405774 is a `hidden beast` number, since 45 + 40 + 577 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (45405757) and next prime (45405791).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1261254 + ... + 1261289.

It is an arithmetic number, because the mean of its divisors is an integer number (8198268).

Almost surely, 2^45405774 is an apocalyptic number.

45405774 is an abundant number, since it is smaller than the sum of its proper divisors (52973442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45405774 is a wasteful number, since it uses less digits than its factorization.

45405774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522551 (or 2522548 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 45405774 is about 6738.3806660057. The cubic root of 45405774 is about 356.7552402763.

The spelling of 45405774 in words is "forty-five million, four hundred five thousand, seven hundred seventy-four".