45761409 has 16 divisors (see below), whose sum is σ = 69239040. Its totient is φ = 29857680.

The previous prime is 45761393. The next prime is 45761411. The reversal of 45761409 is 90416754.

It is not a de Polignac number, because 45761409 - 2⁴ = 45761393 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45761459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16762 + ... + 19299.

It is an arithmetic number, because the mean of its divisors is an integer number (4327440).

Almost surely, 2^45761409 is an apocalyptic number.

It is an amenable number.

45761409 is a deficient number, since it is larger than the sum of its proper divisors (23477631).

45761409 is a wasteful number, since it uses less digits than its factorization.

45761409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36117 (or 36111 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 45761409 is about 6764.7179542092. The cubic root of 45761409 is about 357.6842325560.

The spelling of 45761409 in words is "forty-five million, seven hundred sixty-one thousand, four hundred nine".