146144474 has 8 divisors (see below), whose sum is σ = 250533408. Its totient is φ = 62633340.

The previous prime is 146144443. The next prime is 146144489. The reversal of 146144474 is 474441641.

It is a happy number.

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

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 in 3 ways as a sum of consecutive naturals, for example, 5219432 + ... + 5219459.

It is an arithmetic number, because the mean of its divisors is an integer number (31316676).

Almost surely, 2^146144474 is an apocalyptic number.

146144474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

146144474 is a deficient number, since it is larger than the sum of its proper divisors (104388934).

146144474 is a wasteful number, since it uses less digits than its factorization.

146144474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10438900.

The product of its digits is 43008, while the sum is 35.

The square root of 146144474 is about 12089.0228720108. The cubic root of 146144474 is about 526.7373722481.

The spelling of 146144474 in words is "one hundred forty-six million, one hundred forty-four thousand, four hundred seventy-four".