146643402 has 8 divisors (see below), whose sum is σ = 293286816. Its totient is φ = 48881132.

The previous prime is 146643397. The next prime is 146643437. The reversal of 146643402 is 204346641.

146643402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

146643402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 146643402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12220278 + ... + 12220289.

It is an arithmetic number, because the mean of its divisors is an integer number (36660852).

Almost surely, 2^146643402 is an apocalyptic number.

146643402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

146643402 is a wasteful number, since it uses less digits than its factorization.

146643402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24440572.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 146643402 is about 12109.6408699845. The cubic root of 146643402 is about 527.3361074516.

The spelling of 146643402 in words is "one hundred forty-six million, six hundred forty-three thousand, four hundred two".