45090236 has 6 divisors (see below), whose sum is σ = 78907920. Its totient is φ = 22545116.

The previous prime is 45090233. The next prime is 45090247. The reversal of 45090236 is 63209054.

It is a junction number, because it is equal to n+sod(n) for n = 45090199 and 45090208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45090233) 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 as a sum of consecutive naturals, namely, 5636276 + ... + 5636283.

It is an arithmetic number, because the mean of its divisors is an integer number (13151320).

Almost surely, 2^45090236 is an apocalyptic number.

It is an amenable number.

45090236 is a deficient number, since it is larger than the sum of its proper divisors (33817684).

45090236 is a wasteful number, since it uses less digits than its factorization.

45090236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11272563 (or 11272561 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 45090236 is about 6714.9263584942. The cubic root of 45090236 is about 355.9269197295.

The spelling of 45090236 in words is "forty-five million, ninety thousand, two hundred thirty-six".