45198479 has 2 divisors, whose sum is σ = 45198480. Its totient is φ = 45198478.

The previous prime is 45198467. The next prime is 45198481. The reversal of 45198479 is 97489154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45198479 - 2⁴ = 45198463 is a prime.

Together with 45198481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45198449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22599239 + 22599240.

It is an arithmetic number, because the mean of its divisors is an integer number (22599240).

Almost surely, 2^45198479 is an apocalyptic number.

45198479 is a deficient number, since it is larger than the sum of its proper divisors (1).

45198479 is an equidigital number, since it uses as much as digits as its factorization.

45198479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 45198479 is about 6722.9814070842. The cubic root of 45198479 is about 356.2115032168.

The spelling of 45198479 in words is "forty-five million, one hundred ninety-eight thousand, four hundred seventy-nine".