45321115 has 32 divisors (see below), whose sum is σ = 64788480. Its totient is φ = 29787264.

The previous prime is 45321103. The next prime is 45321119. The reversal of 45321115 is 51112354.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 45321115 - 2⁵ = 45321083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45321119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102084 + ... + 102526.

It is an arithmetic number, because the mean of its divisors is an integer number (2024640).

Almost surely, 2^45321115 is an apocalyptic number.

45321115 is a deficient number, since it is larger than the sum of its proper divisors (19467365).

45321115 is a wasteful number, since it uses less digits than its factorization.

45321115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571.

The product of its digits is 600, while the sum is 22.

The square root of 45321115 is about 6732.0958846410. The cubic root of 45321115 is about 356.5333791225.

Adding to 45321115 its reverse (51112354), we get a palindrome (96433469).

The spelling of 45321115 in words is "forty-five million, three hundred twenty-one thousand, one hundred fifteen".