45643406 has 4 divisors (see below), whose sum is σ = 68465112. Its totient is φ = 22821702.

The previous prime is 45643399. The next prime is 45643421. The reversal of 45643406 is 60434654.

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

It is a super-2 number, since 2×45643406² = 4166641022561672, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11410850 + ... + 11410853.

It is an arithmetic number, because the mean of its divisors is an integer number (17116278).

Almost surely, 2^45643406 is an apocalyptic number.

45643406 is a deficient number, since it is larger than the sum of its proper divisors (22821706).

45643406 is a wasteful number, since it uses less digits than its factorization.

45643406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22821705.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 45643406 is about 6755.9903789156. The cubic root of 45643406 is about 357.3765195338.

The spelling of 45643406 in words is "forty-five million, six hundred forty-three thousand, four hundred six".