45391361 has 16 divisors (see below), whose sum is σ = 49008960. Its totient is φ = 41912640.

The previous prime is 45391349. The next prime is 45391391. The reversal of 45391361 is 16319354.

It is a cyclic number.

It is not a de Polignac number, because 45391361 - 2¹⁰ = 45390337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45391321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230315 + ... + 230511.

It is an arithmetic number, because the mean of its divisors is an integer number (3063060).

Almost surely, 2^45391361 is an apocalyptic number.

It is an amenable number.

45391361 is a deficient number, since it is larger than the sum of its proper divisors (3617599).

45391361 is a wasteful number, since it uses less digits than its factorization.

45391361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464.

The product of its digits is 9720, while the sum is 32.

The square root of 45391361 is about 6737.3111105247. The cubic root of 45391361 is about 356.7174884151.

The spelling of 45391361 in words is "forty-five million, three hundred ninety-one thousand, three hundred sixty-one".