45906215 has 16 divisors (see below), whose sum is σ = 56461536. Its totient is φ = 35817600.

The previous prime is 45906197. The next prime is 45906247. The reversal of 45906215 is 51260954.

45906215 = 96² + 97² + ... + 517².

It is a happy number.

It is not a de Polignac number, because 45906215 - 2¹⁰ = 45905191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55505 + ... + 56325.

It is an arithmetic number, because the mean of its divisors is an integer number (3528846).

Almost surely, 2^45906215 is an apocalyptic number.

45906215 is a deficient number, since it is larger than the sum of its proper divisors (10555321).

45906215 is a wasteful number, since it uses less digits than its factorization.

45906215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 45906215 is about 6775.4125335658. The cubic root of 45906215 is about 358.0611169753.

The spelling of 45906215 in words is "forty-five million, nine hundred six thousand, two hundred fifteen".