146648974 has 4 divisors (see below), whose sum is σ = 219973464. Its totient is φ = 73324486.

The previous prime is 146648959. The next prime is 146648993. The reversal of 146648974 is 479846641.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36662242 + ... + 36662245.

It is an arithmetic number, because the mean of its divisors is an integer number (54993366).

Almost surely, 2^146648974 is an apocalyptic number.

146648974 is a deficient number, since it is larger than the sum of its proper divisors (73324490).

146648974 is an equidigital number, since it uses as much as digits as its factorization.

146648974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73324489.

The product of its digits is 1161216, while the sum is 49.

The square root of 146648974 is about 12109.8709324253. The cubic root of 146648974 is about 527.3427864192.

The spelling of 146648974 in words is "one hundred forty-six million, six hundred forty-eight thousand, nine hundred seventy-four".