45622090 has 8 divisors (see below), whose sum is σ = 82119780. Its totient is φ = 18248832.

The previous prime is 45622063. The next prime is 45622103. The reversal of 45622090 is 9022654.

It can be written as a sum of positive squares in 2 ways, for example, as 39702601 + 5919489 = 6301^2 + 2433^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2281095 + ... + 2281114.

Almost surely, 2^45622090 is an apocalyptic number.

45622090 is a deficient number, since it is larger than the sum of its proper divisors (36497690).

45622090 is a wasteful number, since it uses less digits than its factorization.

45622090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562216.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 45622090 is about 6754.4126317541. The cubic root of 45622090 is about 357.3208778780.

The spelling of 45622090 in words is "forty-five million, six hundred twenty-two thousand, ninety".