45255213 has 16 divisors (see below), whose sum is σ = 67699840. Its totient is φ = 29875392.

The previous prime is 45255211. The next prime is 45255227. The reversal of 45255213 is 31255254.

It is a happy number.

It is not a de Polignac number, because 45255213 - 2¹ = 45255211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45255211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5356 + ... + 10917.

It is an arithmetic number, because the mean of its divisors is an integer number (4231240).

Almost surely, 2^45255213 is an apocalyptic number.

It is an amenable number.

45255213 is a deficient number, since it is larger than the sum of its proper divisors (22444627).

45255213 is a wasteful number, since it uses less digits than its factorization.

45255213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16385 (or 16379 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 45255213 is about 6727.1994916161. The cubic root of 45255213 is about 356.3604820767.

The spelling of 45255213 in words is "forty-five million, two hundred fifty-five thousand, two hundred thirteen".