146809492 has 12 divisors (see below), whose sum is σ = 260169280. Its totient is φ = 72475416.

The previous prime is 146809489. The next prime is 146809499. The reversal of 146809492 is 294908641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146809499) 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, 231978 + ... + 232609.

Almost surely, 2^146809492 is an apocalyptic number.

It is an amenable number.

146809492 is a deficient number, since it is larger than the sum of its proper divisors (113359788).

146809492 is a wasteful number, since it uses less digits than its factorization.

146809492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464670 (or 464668 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 146809492 is about 12116.4966883997. The cubic root of 146809492 is about 527.5351213111.

The spelling of 146809492 in words is "one hundred forty-six million, eight hundred nine thousand, four hundred ninety-two".