45488477 has 4 divisors (see below), whose sum is σ = 45511296. Its totient is φ = 45465660.

The previous prime is 45488473. The next prime is 45488491. The reversal of 45488477 is 77488454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77488454 = 2 ⋅38744227.

It is a cyclic number.

It is not a de Polignac number, because 45488477 - 2² = 45488473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45488473) 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, 8099 + ... + 12512.

It is an arithmetic number, because the mean of its divisors is an integer number (11377824).

Almost surely, 2^45488477 is an apocalyptic number.

It is an amenable number.

45488477 is a deficient number, since it is larger than the sum of its proper divisors (22819).

45488477 is a wasteful number, since it uses less digits than its factorization.

45488477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22818.

The product of its digits is 1003520, while the sum is 47.

The square root of 45488477 is about 6744.5145859432. The cubic root of 45488477 is about 356.9717093186.

The spelling of 45488477 in words is "forty-five million, four hundred eighty-eight thousand, four hundred seventy-seven".