146913633 has 6 divisors (see below), whose sum is σ = 212208594. Its totient is φ = 97942416.

The previous prime is 146913631. The next prime is 146913661. The reversal of 146913633 is 336319641.

146913633 is a `hidden beast` number, since 1 + 4 + 6 + 9 + 13 + 633 = 666.

It can be written as a sum of positive squares in only one way, i.e., 128663649 + 18249984 = 11343^2 + 4272^2 .

It is not a de Polignac number, because 146913633 - 2¹ = 146913631 is a prime.

It is a super-2 number, since 2×146913633² = 43167231122517378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146913631) 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, 8161860 + ... + 8161877.

It is an arithmetic number, because the mean of its divisors is an integer number (35368099).

Almost surely, 2^146913633 is an apocalyptic number.

It is an amenable number.

146913633 is a deficient number, since it is larger than the sum of its proper divisors (65294961).

146913633 is a wasteful number, since it uses less digits than its factorization.

146913633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16323743 (or 16323740 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 146913633 is about 12120.7934146243. The cubic root of 146913633 is about 527.6598295279.

Subtracting from 146913633 its product of digits (34992), we obtain a palindrome (146878641).

The spelling of 146913633 in words is "one hundred forty-six million, nine hundred thirteen thousand, six hundred thirty-three".