42146307 has 12 divisors (see below), whose sum is σ = 69574960. Its totient is φ = 24083568.

The previous prime is 42146297. The next prime is 42146311. The reversal of 42146307 is 70364124.

42146307 is a `hidden beast` number, since 4 + 21 + 4 + 630 + 7 = 666.

It is not a de Polignac number, because 42146307 - 2⁶ = 42146243 is a prime.

It is a super-2 number, since 2×42146307² = 3552622387476498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42146317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334432 + ... + 334557.

Almost surely, 2^42146307 is an apocalyptic number.

42146307 is a deficient number, since it is larger than the sum of its proper divisors (27428653).

42146307 is a wasteful number, since it uses less digits than its factorization.

42146307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669002 (or 668999 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 42146307 is about 6492.0187153150. The cubic root of 42146307 is about 348.0058213453.

The spelling of 42146307 in words is "forty-two million, one hundred forty-six thousand, three hundred seven".