45772919 has 8 divisors (see below), whose sum is σ = 48862080. Its totient is φ = 42751800.

The previous prime is 45772913. The next prime is 45772931. The reversal of 45772919 is 91927754.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45772919 is a prime.

It is a super-2 number, since 2×45772919² = 4190320227561122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45772919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45772913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15617 + ... + 18314.

It is an arithmetic number, because the mean of its divisors is an integer number (6107760).

Almost surely, 2^45772919 is an apocalyptic number.

45772919 is a deficient number, since it is larger than the sum of its proper divisors (3089161).

45772919 is a wasteful number, since it uses less digits than its factorization.

45772919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34021.

The product of its digits is 158760, while the sum is 44.

The square root of 45772919 is about 6765.5686383334. The cubic root of 45772919 is about 357.7142185237.

The spelling of 45772919 in words is "forty-five million, seven hundred seventy-two thousand, nine hundred nineteen".