45816530 has 32 divisors (see below), whose sum is σ = 87862320. Its totient is φ = 17141760.

The previous prime is 45816527. The next prime is 45816541. The reversal of 45816530 is 3561854.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5987809 + 39828721 = 2447^2 + 6311^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30026 + ... + 31514.

Almost surely, 2^45816530 is an apocalyptic number.

45816530 is a deficient number, since it is larger than the sum of its proper divisors (42045790).

45816530 is a wasteful number, since it uses less digits than its factorization.

45816530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694.

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

The square root of 45816530 is about 6768.7908816863. The cubic root of 45816530 is about 357.8277887545.

It can be divided in two parts, 4581 and 6530, that added together give a palindrome (11111).

The spelling of 45816530 in words is "forty-five million, eight hundred sixteen thousand, five hundred thirty".