45581236 has 6 divisors (see below), whose sum is σ = 79767170. Its totient is φ = 22790616.

The previous prime is 45581231. The next prime is 45581281. The reversal of 45581236 is 63218554.

It can be written as a sum of positive squares in only one way, i.e., 31292836 + 14288400 = 5594^2 + 3780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45581231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5697651 + ... + 5697658.

Almost surely, 2^45581236 is an apocalyptic number.

It is an amenable number.

45581236 is a deficient number, since it is larger than the sum of its proper divisors (34185934).

45581236 is a wasteful number, since it uses less digits than its factorization.

45581236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11395313 (or 11395311 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 45581236 is about 6751.3877092047. The cubic root of 45581236 is about 357.2141872613.

The spelling of 45581236 in words is "forty-five million, five hundred eighty-one thousand, two hundred thirty-six".