42474245 has 16 divisors (see below), whose sum is σ = 58874688. Its totient is φ = 29072640.

The previous prime is 42474227. The next prime is 42474281. The reversal of 42474245 is 54247424.

It is not a de Polignac number, because 42474245 - 2⁸ = 42473989 is a prime.

It is a super-2 number, since 2×42474245² = 3608122976640050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21779 + ... + 23648.

It is an arithmetic number, because the mean of its divisors is an integer number (3679668).

Almost surely, 2^42474245 is an apocalyptic number.

It is an amenable number.

42474245 is a deficient number, since it is larger than the sum of its proper divisors (16400443).

42474245 is a wasteful number, since it uses less digits than its factorization.

42474245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45460.

The product of its digits is 35840, while the sum is 32.

The square root of 42474245 is about 6517.2267875224. The cubic root of 42474245 is about 348.9060948273.

The spelling of 42474245 in words is "forty-two million, four hundred seventy-four thousand, two hundred forty-five".