45501215 has 8 divisors (see below), whose sum is σ = 55112400. Its totient is φ = 36060352.

The previous prime is 45501193. The next prime is 45501221. The reversal of 45501215 is 51210554.

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 not a de Polignac number, because 45501215 - 2¹⁸ = 45239071 is a prime.

It is a congruent number.

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, 41990 + ... + 43059.

It is an arithmetic number, because the mean of its divisors is an integer number (6889050).

Almost surely, 2^45501215 is an apocalyptic number.

45501215 is a deficient number, since it is larger than the sum of its proper divisors (9611185).

45501215 is a wasteful number, since it uses less digits than its factorization.

45501215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85161.

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

The square root of 45501215 is about 6745.4588428068. The cubic root of 45501215 is about 357.0050267766.

Adding to 45501215 its reverse (51210554), we get a palindrome (96711769).

The spelling of 45501215 in words is "forty-five million, five hundred one thousand, two hundred fifteen".