45040507 has 16 divisors (see below), whose sum is σ = 49369600. Its totient is φ = 40940640.

The previous prime is 45040493. The next prime is 45040519. The reversal of 45040507 is 70504054.

It is a cyclic number.

It is not a de Polignac number, because 45040507 - 2⁷ = 45040379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45040577) 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, 55132 + ... + 55942.

It is an arithmetic number, because the mean of its divisors is an integer number (3085600).

Almost surely, 2^45040507 is an apocalyptic number.

45040507 is a deficient number, since it is larger than the sum of its proper divisors (4329093).

45040507 is a wasteful number, since it uses less digits than its factorization.

45040507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 45040507 is about 6711.2224668834. Note that the first 3 decimals coincide. The cubic root of 45040507 is about 355.7960236842.

The spelling of 45040507 in words is "forty-five million, forty thousand, five hundred seven".