45407592 has 48 divisors (see below), whose sum is σ = 123304740. Its totient is φ = 15095808.

The previous prime is 45407513. The next prime is 45407597. The reversal of 45407592 is 29570454.

It can be written as a sum of positive squares in 2 ways, for example, as 27311076 + 18096516 = 5226^2 + 4254^2 .

It is a super-2 number, since 2×45407592² = 4123698822476928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (45407597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40998 + ... + 42090.

Almost surely, 2^45407592 is an apocalyptic number.

It is an amenable number.

45407592 is an abundant number, since it is smaller than the sum of its proper divisors (77897148).

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

45407592 is a wasteful number, since it uses less digits than its factorization.

45407592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 45407592 is about 6738.5155635347. The cubic root of 45407592 is about 356.7600015824.

The spelling of 45407592 in words is "forty-five million, four hundred seven thousand, five hundred ninety-two".