146833638 has 32 divisors (see below), whose sum is σ = 341957376. Its totient is φ = 41160288.

The previous prime is 146833637. The next prime is 146833651. The reversal of 146833638 is 836338641.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 146833638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146833637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30756 + ... + 35207.

It is an arithmetic number, because the mean of its divisors is an integer number (10686168).

Almost surely, 2^146833638 is an apocalyptic number.

146833638 is an abundant number, since it is smaller than the sum of its proper divisors (195123738).

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

146833638 is a wasteful number, since it uses less digits than its factorization.

146833638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66028.

The product of its digits is 248832, while the sum is 42.

The square root of 146833638 is about 12117.4930575594. The cubic root of 146833638 is about 527.5640412503.

The spelling of 146833638 in words is "one hundred forty-six million, eight hundred thirty-three thousand, six hundred thirty-eight".