45999022 has 4 divisors (see below), whose sum is σ = 68998536. Its totient is φ = 22999510.

The previous prime is 45998999. The next prime is 45999043. The reversal of 45999022 is 22099954.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22099954 = 2 ⋅11049977.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11499754 + ... + 11499757.

It is an arithmetic number, because the mean of its divisors is an integer number (17249634).

Almost surely, 2^45999022 is an apocalyptic number.

45999022 is a deficient number, since it is larger than the sum of its proper divisors (22999514).

45999022 is a wasteful number, since it uses less digits than its factorization.

45999022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22999513.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 45999022 is about 6782.2578836255. The cubic root of 45999022 is about 358.3022477932.

The spelling of 45999022 in words is "forty-five million, nine hundred ninety-nine thousand, twenty-two".