45977223 has 4 divisors (see below), whose sum is σ = 61302968. Its totient is φ = 30651480.

The previous prime is 45977219. The next prime is 45977237. The reversal of 45977223 is 32277954.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45977223 - 2² = 45977219 is a prime.

It is a super-2 number, since 2×45977223² = 4227810069583458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45977203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7662868 + ... + 7662873.

It is an arithmetic number, because the mean of its divisors is an integer number (15325742).

Almost surely, 2^45977223 is an apocalyptic number.

45977223 is a deficient number, since it is larger than the sum of its proper divisors (15325745).

45977223 is a wasteful number, since it uses less digits than its factorization.

45977223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15325744.

The product of its digits is 105840, while the sum is 39.

The square root of 45977223 is about 6780.6506324983. The cubic root of 45977223 is about 358.2456388733.

The spelling of 45977223 in words is "forty-five million, nine hundred seventy-seven thousand, two hundred twenty-three".