146644434 has 12 divisors (see below), whose sum is σ = 317729646. Its totient is φ = 48881472.

The previous prime is 146644429. The next prime is 146644447. The reversal of 146644434 is 434446641.

146644434 is a `hidden beast` number, since 1 + 4 + 6 + 644 + 4 + 3 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 103124025 + 43520409 = 10155^2 + 6597^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4073439 + ... + 4073474.

Almost surely, 2^146644434 is an apocalyptic number.

146644434 is an abundant number, since it is smaller than the sum of its proper divisors (171085212).

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

146644434 is a wasteful number, since it uses less digits than its factorization.

146644434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146921 (or 8146918 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 146644434 is about 12109.6834805869. The cubic root of 146644434 is about 527.3373444878.

The spelling of 146644434 in words is "one hundred forty-six million, six hundred forty-four thousand, four hundred thirty-four".