45518306 has 4 divisors (see below), whose sum is σ = 68277462. Its totient is φ = 22759152.

The previous prime is 45518303. The next prime is 45518327. The reversal of 45518306 is 60381554.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60381554 = 2 ⋅30190777.

It can be written as a sum of positive squares in only one way, i.e., 45225625 + 292681 = 6725^2 + 541^2 .

It is a super-2 number, since 2×45518306² = 4143832362219272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45518303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11379575 + ... + 11379578.

Almost surely, 2^45518306 is an apocalyptic number.

45518306 is a deficient number, since it is larger than the sum of its proper divisors (22759156).

45518306 is a wasteful number, since it uses less digits than its factorization.

45518306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22759155.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 45518306 is about 6746.7255761591. The cubic root of 45518306 is about 357.0497201554.

The spelling of 45518306 in words is "forty-five million, five hundred eighteen thousand, three hundred six".