45401806 has 4 divisors (see below), whose sum is σ = 68102712. Its totient is φ = 22700902.

The previous prime is 45401777. The next prime is 45401809. The reversal of 45401806 is 60810454.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×45401806² = 4122647976123272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45401809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11350450 + ... + 11350453.

It is an arithmetic number, because the mean of its divisors is an integer number (17025678).

Almost surely, 2^45401806 is an apocalyptic number.

45401806 is a deficient number, since it is larger than the sum of its proper divisors (22700906).

45401806 is a wasteful number, since it uses less digits than its factorization.

45401806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22700905.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 45401806 is about 6738.0862268154. The cubic root of 45401806 is about 356.7448477211.

The spelling of 45401806 in words is "forty-five million, four hundred one thousand, eight hundred six".