45215102 has 16 divisors (see below), whose sum is σ = 72420480. Its totient is φ = 21120792.

The previous prime is 45215101. The next prime is 45215111. The reversal of 45215102 is 20151254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45215101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9452 + ... + 13407.

It is an arithmetic number, because the mean of its divisors is an integer number (4526280).

Almost surely, 2^45215102 is an apocalyptic number.

45215102 is a deficient number, since it is larger than the sum of its proper divisors (27205378).

45215102 is a wasteful number, since it uses less digits than its factorization.

45215102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22927.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 45215102 is about 6724.2175753020. The cubic root of 45215102 is about 356.2551667661.

Adding to 45215102 its reverse (20151254), we get a palindrome (65366356).

The spelling of 45215102 in words is "forty-five million, two hundred fifteen thousand, one hundred two".