45919859 has 4 divisors (see below), whose sum is σ = 45969600. Its totient is φ = 45870120.

The previous prime is 45919843. The next prime is 45919879. The reversal of 45919859 is 95891954.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45919859 - 2⁴ = 45919843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45919879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23459 + ... + 25340.

It is an arithmetic number, because the mean of its divisors is an integer number (11492400).

Almost surely, 2^45919859 is an apocalyptic number.

45919859 is a deficient number, since it is larger than the sum of its proper divisors (49741).

45919859 is an equidigital number, since it uses as much as digits as its factorization.

45919859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49740.

The product of its digits is 583200, while the sum is 50.

The square root of 45919859 is about 6776.4193347224. The cubic root of 45919859 is about 358.0965871323.

The spelling of 45919859 in words is "forty-five million, nine hundred nineteen thousand, eight hundred fifty-nine".