45201515 has 8 divisors (see below), whose sum is σ = 54801600. Its totient is φ = 35788032.

The previous prime is 45201491. The next prime is 45201523. The reversal of 45201515 is 51510254.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45201515 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46115 + ... + 47084.

It is an arithmetic number, because the mean of its divisors is an integer number (6850200).

Almost surely, 2^45201515 is an apocalyptic number.

45201515 is a deficient number, since it is larger than the sum of its proper divisors (9600085).

45201515 is an equidigital number, since it uses as much as digits as its factorization.

45201515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93301.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 45201515 is about 6723.2071959743. The cubic root of 45201515 is about 356.2194786615.

Adding to 45201515 its reverse (51510254), we get a palindrome (96711769).

The spelling of 45201515 in words is "forty-five million, two hundred one thousand, five hundred fifteen".