45198401 has 4 divisors (see below), whose sum is σ = 45873072. Its totient is φ = 44523732.

The previous prime is 45198371. The next prime is 45198407. The reversal of 45198401 is 10489154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45198401 - 2¹⁸ = 44936257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45198407) 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 3 ways as a sum of consecutive naturals, for example, 337235 + ... + 337368.

It is an arithmetic number, because the mean of its divisors is an integer number (11468268).

Almost surely, 2^45198401 is an apocalyptic number.

It is an amenable number.

45198401 is a deficient number, since it is larger than the sum of its proper divisors (674671).

45198401 is an equidigital number, since it uses as much as digits as its factorization.

45198401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674670.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 45198401 is about 6722.9756060840. The cubic root of 45198401 is about 356.2112983093.

The spelling of 45198401 in words is "forty-five million, one hundred ninety-eight thousand, four hundred one".