45946215 has 24 divisors (see below), whose sum is σ = 91017888. Its totient is φ = 21003840.

The previous prime is 45946211. The next prime is 45946259. The reversal of 45946215 is 51264954.

45946215 is a `hidden beast` number, since 4 + 594 + 62 + 1 + 5 = 666.

It is not a de Polignac number, because 45946215 - 2² = 45946211 is a prime.

It is a super-2 number, since 2×45946215² = 4222109345652450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45946215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45946211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72616 + ... + 73245.

It is an arithmetic number, because the mean of its divisors is an integer number (3792412).

Almost surely, 2^45946215 is an apocalyptic number.

45946215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45946215 is a deficient number, since it is larger than the sum of its proper divisors (45071673).

45946215 is a wasteful number, since it uses less digits than its factorization.

45946215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145879 (or 145876 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 45946215 is about 6778.3637406088. The cubic root of 45946215 is about 358.1650846463.

The spelling of 45946215 in words is "forty-five million, nine hundred forty-six thousand, two hundred fifteen".