45211397 has 16 divisors (see below), whose sum is σ = 57746304. Its totient is φ = 34368000.

The previous prime is 45211367. The next prime is 45211421. The reversal of 45211397 is 79311254.

It is a cyclic number.

It is not a de Polignac number, because 45211397 - 2⁶ = 45211333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45211367) 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, 4004 + ... + 10317.

It is an arithmetic number, because the mean of its divisors is an integer number (3609144).

Almost surely, 2^45211397 is an apocalyptic number.

It is an amenable number.

45211397 is a deficient number, since it is larger than the sum of its proper divisors (12534907).

45211397 is a wasteful number, since it uses less digits than its factorization.

45211397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14380.

The product of its digits is 7560, while the sum is 32.

The square root of 45211397 is about 6723.9420729212. The cubic root of 45211397 is about 356.2454357885.

The spelling of 45211397 in words is "forty-five million, two hundred eleven thousand, three hundred ninety-seven".