45819361 has 9 divisors (see below), whose sum is σ = 53355249. Its totient is φ = 39233124.

The previous prime is 45819359. The next prime is 45819373. The reversal of 45819361 is 16391854.

The square root of 45819361 is 6769.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 45819361 - 2¹ = 45819359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45819361.

It is not an unprimeable number, because it can be changed into a prime (45819461) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 46900 + ... + 47866.

It is an arithmetic number, because the mean of its divisors is an integer number (5928361).

Almost surely, 2^45819361 is an apocalyptic number.

45819361 is the 6769-th square number.

45819361 is the 3385-th centered octagonal number.

It is an amenable number.

45819361 is a deficient number, since it is larger than the sum of its proper divisors (7535888).

45819361 is an frugal number, since it uses more digits than its factorization.

45819361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948 (or 974 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The cubic root of 45819361 is about 357.8351586536.

The spelling of 45819361 in words is "forty-five million, eight hundred nineteen thousand, three hundred sixty-one".