146426634 has 12 divisors (see below), whose sum is σ = 317257746. Its totient is φ = 48808872.

The previous prime is 146426633. The next prime is 146426639. The reversal of 146426634 is 436624641.

146426634 is a `hidden beast` number, since 1 + 4 + 642 + 6 + 6 + 3 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 92448225 + 53978409 = 9615^2 + 7347^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (146426633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4067389 + ... + 4067424.

Almost surely, 2^146426634 is an apocalyptic number.

146426634 is an abundant number, since it is smaller than the sum of its proper divisors (170831112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146426634 is a wasteful number, since it uses less digits than its factorization.

146426634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8134821 (or 8134818 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 146426634 is about 12100.6873358500. The cubic root of 146426634 is about 527.0761435706.

The spelling of 146426634 in words is "one hundred forty-six million, four hundred twenty-six thousand, six hundred thirty-four".