45578899 has 2 divisors, whose sum is σ = 45578900. Its totient is φ = 45578898.

The previous prime is 45578881. The next prime is 45578909. The reversal of 45578899 is 99887554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45578899 - 2⁵ = 45578867 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (45578849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22789449 + 22789450.

It is an arithmetic number, because the mean of its divisors is an integer number (22789450).

Almost surely, 2^45578899 is an apocalyptic number.

45578899 is a deficient number, since it is larger than the sum of its proper divisors (1).

45578899 is an equidigital number, since it uses as much as digits as its factorization.

45578899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 55.

The square root of 45578899 is about 6751.2146314571. The cubic root of 45578899 is about 357.2080822358.

It can be divided in two parts, 4557 and 8899, that added together give a square (13456 = 116²).

The spelling of 45578899 in words is "forty-five million, five hundred seventy-eight thousand, eight hundred ninety-nine".