45219056 has 40 divisors (see below), whose sum is σ = 90087984. Its totient is φ = 21980160.

The previous prime is 45219043. The next prime is 45219061. The reversal of 45219056 is 65091254.

It is a happy number.

It is a super-2 number, since 2×45219056² = 4089526051062272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104216 + ... + 104648.

Almost surely, 2^45219056 is an apocalyptic number.

It is an amenable number.

45219056 is a deficient number, since it is larger than the sum of its proper divisors (44868928).

45219056 is a wasteful number, since it uses less digits than its factorization.

45219056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 45219056 is about 6724.5115807767. The cubic root of 45219056 is about 356.2655511422.

The spelling of 45219056 in words is "forty-five million, two hundred nineteen thousand, fifty-six".