45212615 has 16 divisors (see below), whose sum is σ = 62287680. Its totient is φ = 30862080.

The previous prime is 45212611. The next prime is 45212617. The reversal of 45212615 is 51621254.

It is not a de Polignac number, because 45212615 - 2² = 45212611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45212611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5195 + ... + 10835.

It is an arithmetic number, because the mean of its divisors is an integer number (3892980).

Almost surely, 2^45212615 is an apocalyptic number.

45212615 is a deficient number, since it is larger than the sum of its proper divisors (17075065).

45212615 is a wasteful number, since it uses less digits than its factorization.

45212615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882.

The product of its digits is 2400, while the sum is 26.

The square root of 45212615 is about 6724.0326441801. The cubic root of 45212615 is about 356.2486348568.

Adding to 45212615 its reverse (51621254), we get a palindrome (96833869).

The spelling of 45212615 in words is "forty-five million, two hundred twelve thousand, six hundred fifteen".