42146306 has 16 divisors (see below), whose sum is σ = 64615320. Its totient is φ = 20613120.

The previous prime is 42146297. The next prime is 42146311. The reversal of 42146306 is 60364124.

It can be written as a sum of positive squares in 4 ways, for example, as 19669225 + 22477081 = 4435^2 + 4741^2 .

It is a super-2 number, since 2×42146306² = 3552622218891272, which contains 22 as substring.

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, 16046 + ... + 18486.

Almost surely, 2^42146306 is an apocalyptic number.

42146306 is a deficient number, since it is larger than the sum of its proper divisors (22469014).

42146306 is a wasteful number, since it uses less digits than its factorization.

42146306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42146306 is about 6492.0186382973. The cubic root of 42146306 is about 348.0058185930.

The spelling of 42146306 in words is "forty-two million, one hundred forty-six thousand, three hundred six".