146394994 has 8 divisors (see below), whose sum is σ = 219698028. Its totient is φ = 73162320.

The previous prime is 146394991. The next prime is 146395021. The reversal of 146394994 is 499493641.

It can be written as a sum of positive squares in 2 ways, for example, as 123498769 + 22896225 = 11113^2 + 4785^2 .

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

It is not an unprimeable number, because it can be changed into a prime (146394991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12037 + ... + 20920.

Almost surely, 2^146394994 is an apocalyptic number.

146394994 is a deficient number, since it is larger than the sum of its proper divisors (73303034).

146394994 is a wasteful number, since it uses less digits than its factorization.

146394994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35180.

The product of its digits is 839808, while the sum is 49.

The square root of 146394994 is about 12099.3799014660. The cubic root of 146394994 is about 527.0381771387.

The spelling of 146394994 in words is "one hundred forty-six million, three hundred ninety-four thousand, nine hundred ninety-four".