45245402 has 8 divisors (see below), whose sum is σ = 68085876. Its totient is φ = 22550112.

The previous prime is 45245371. The next prime is 45245419. The reversal of 45245402 is 20454254.

It can be written as a sum of positive squares in 2 ways, for example, as 44742721 + 502681 = 6689^2 + 709^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35513 + ... + 36764.

Almost surely, 2^45245402 is an apocalyptic number.

45245402 is a deficient number, since it is larger than the sum of its proper divisors (22840474).

45245402 is a wasteful number, since it uses less digits than its factorization.

45245402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72592.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 45245402 is about 6726.4702482060. The cubic root of 45245402 is about 356.3347280980.

Adding to 45245402 its reverse (20454254), we get a palindrome (65699656).

It can be divided in two parts, 452 and 45402, that added together give a palindrome (45854).

The spelling of 45245402 in words is "forty-five million, two hundred forty-five thousand, four hundred two".