45115402 has 16 divisors (see below), whose sum is σ = 69193440. Its totient is φ = 22054032.

The previous prime is 45115391. The next prime is 45115409. The reversal of 45115402 is 20451154.

It is not an unprimeable number, because it can be changed into a prime (45115409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39613 + ... + 40735.

It is an arithmetic number, because the mean of its divisors is an integer number (4324590).

Almost surely, 2^45115402 is an apocalyptic number.

45115402 is a deficient number, since it is larger than the sum of its proper divisors (24078038).

45115402 is a wasteful number, since it uses less digits than its factorization.

45115402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 45115402 is about 6716.7999821343. The cubic root of 45115402 is about 355.9931246831.

Adding to 45115402 its reverse (20451154), we get a palindrome (65566556).

The spelling of 45115402 in words is "forty-five million, one hundred fifteen thousand, four hundred two".