45478517 has 12 divisors (see below), whose sum is σ = 53423136. Its totient is φ = 38598840.

The previous prime is 45478507. The next prime is 45478523. The reversal of 45478517 is 71587454.

It is not a de Polignac number, because 45478517 - 2¹⁴ = 45462133 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 (45478507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 542 + ... + 9552.

It is an arithmetic number, because the mean of its divisors is an integer number (4451928).

Almost surely, 2^45478517 is an apocalyptic number.

It is an amenable number.

45478517 is a deficient number, since it is larger than the sum of its proper divisors (7944619).

45478517 is a wasteful number, since it uses less digits than its factorization.

45478517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9128 (or 9121 counting only the distinct ones).

The product of its digits is 156800, while the sum is 41.

The square root of 45478517 is about 6743.7761676971. The cubic root of 45478517 is about 356.9456536521.

The spelling of 45478517 in words is "forty-five million, four hundred seventy-eight thousand, five hundred seventeen".