45477499 has 4 divisors (see below), whose sum is σ = 48152664. Its totient is φ = 42802336.

The previous prime is 45477449. The next prime is 45477503. The reversal of 45477499 is 99477454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99477454 = 2 ⋅49738727.

It is a cyclic number.

It is not a de Polignac number, because 45477499 - 2¹⁹ = 44953211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45477449) 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, 1337557 + ... + 1337590.

It is an arithmetic number, because the mean of its divisors is an integer number (12038166).

Almost surely, 2^45477499 is an apocalyptic number.

45477499 is a deficient number, since it is larger than the sum of its proper divisors (2675165).

45477499 is a wasteful number, since it uses less digits than its factorization.

45477499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675164.

The product of its digits is 1270080, while the sum is 49.

The square root of 45477499 is about 6743.7006902738. The cubic root of 45477499 is about 356.9429903185.

The spelling of 45477499 in words is "forty-five million, four hundred seventy-seven thousand, four hundred ninety-nine".