42619145 has 8 divisors (see below), whose sum is σ = 51180360. Its totient is φ = 34070400.

The previous prime is 42619133. The next prime is 42619189. The reversal of 42619145 is 54191624.

It can be written as a sum of positive squares in 4 ways, for example, as 6390784 + 36228361 = 2528^2 + 6019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42619145 - 2⁸ = 42618889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8045 + ... + 12245.

It is an arithmetic number, because the mean of its divisors is an integer number (6397545).

Almost surely, 2^42619145 is an apocalyptic number.

It is an amenable number.

42619145 is a deficient number, since it is larger than the sum of its proper divisors (8561215).

42619145 is a wasteful number, since it uses less digits than its factorization.

42619145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6235.

The product of its digits is 8640, while the sum is 32.

The square root of 42619145 is about 6528.3340141264. The cubic root of 42619145 is about 349.3024064514.

The spelling of 42619145 in words is "forty-two million, six hundred nineteen thousand, one hundred forty-five".