45001215 has 96 divisors (see below), whose sum is σ = 96046080. Its totient is φ = 19035648.

The previous prime is 45001211. The next prime is 45001217. The reversal of 45001215 is 51210054.

45001215 is a `hidden beast` number, since 450 + 0 + 1 + 215 = 666.

It is not a de Polignac number, because 45001215 - 2² = 45001211 is a prime.

45001215 is a modest number, since divided by 1215 gives 45 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45001211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 436854 + ... + 436956.

It is an arithmetic number, because the mean of its divisors is an integer number (1000480).

Almost surely, 2^45001215 is an apocalyptic number.

45001215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45001215 is an abundant number, since it is smaller than the sum of its proper divisors (51044865).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45001215 is a wasteful number, since it uses less digits than its factorization.

45001215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 45001215 is about 6708.2944926412. The cubic root of 45001215 is about 355.6925316242.

Adding to 45001215 its reverse (51210054), we get a palindrome (96211269).

The spelling of 45001215 in words is "forty-five million, one thousand, two hundred fifteen".