45453402 has 12 divisors (see below), whose sum is σ = 98482410. Its totient is φ = 15151128.

The previous prime is 45453389. The next prime is 45453413. The reversal of 45453402 is 20435454.

It can be written as a sum of positive squares in only one way, i.e., 45441081 + 12321 = 6741^2 + 111^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1262577 + ... + 1262612.

Almost surely, 2^45453402 is an apocalyptic number.

45453402 is an abundant number, since it is smaller than the sum of its proper divisors (53029008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45453402 is a wasteful number, since it uses less digits than its factorization.

45453402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525197 (or 2525194 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 45453402 is about 6741.9138232404. The cubic root of 45453402 is about 356.8799351444.

Adding to 45453402 its reverse (20435454), we get a palindrome (65888856).

The spelling of 45453402 in words is "forty-five million, four hundred fifty-three thousand, four hundred two".