45517394 has 8 divisors (see below), whose sum is σ = 73528140. Its totient is φ = 21008016.

The previous prime is 45517361. The next prime is 45517397. The reversal of 45517394 is 49371554.

It can be written as a sum of positive squares in 2 ways, for example, as 40513225 + 5004169 = 6365^2 + 2237^2 .

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

It is a super-3 number, since 3×45517394³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45517397) 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, 875309 + ... + 875360.

Almost surely, 2^45517394 is an apocalyptic number.

45517394 is a deficient number, since it is larger than the sum of its proper divisors (28010746).

45517394 is a wasteful number, since it uses less digits than its factorization.

45517394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750684.

The product of its digits is 75600, while the sum is 38.

The square root of 45517394 is about 6746.6579874779. The cubic root of 45517394 is about 357.0473355359.

The spelling of 45517394 in words is "forty-five million, five hundred seventeen thousand, three hundred ninety-four".