45087405 has 32 divisors (see below), whose sum is σ = 79073280. Its totient is φ = 21756480.

The previous prime is 45087401. The next prime is 45087407. The reversal of 45087405 is 50478054.

It is not a de Polignac number, because 45087405 - 2² = 45087401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45087401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42876 + ... + 43914.

It is an arithmetic number, because the mean of its divisors is an integer number (2471040).

Almost surely, 2^45087405 is an apocalyptic number.

It is an amenable number.

45087405 is a deficient number, since it is larger than the sum of its proper divisors (33985875).

45087405 is a wasteful number, since it uses less digits than its factorization.

45087405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 45087405 is about 6714.7155561498. The cubic root of 45087405 is about 355.9194705912.

The spelling of 45087405 in words is "forty-five million, eighty-seven thousand, four hundred five".