146689982 has 4 divisors (see below), whose sum is σ = 220034976. Its totient is φ = 73344990.

The previous prime is 146689979. The next prime is 146689993. The reversal of 146689982 is 289986641.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36672494 + ... + 36672497.

It is an arithmetic number, because the mean of its divisors is an integer number (55008744).

Almost surely, 2^146689982 is an apocalyptic number.

146689982 is a deficient number, since it is larger than the sum of its proper divisors (73344994).

146689982 is an equidigital number, since it uses as much as digits as its factorization.

146689982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73344993.

The product of its digits is 1492992, while the sum is 53.

The square root of 146689982 is about 12111.5639782813. The cubic root of 146689982 is about 527.3919361154.

The spelling of 146689982 in words is "one hundred forty-six million, six hundred eighty-nine thousand, nine hundred eighty-two".