144812974 has 4 divisors (see below), whose sum is σ = 217219464. Its totient is φ = 72406486.

The previous prime is 144812923. The next prime is 144812989. The reversal of 144812974 is 479218441.

144812974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 479218441 = 13 ⋅36862957.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 36203242 + ... + 36203245.

It is an arithmetic number, because the mean of its divisors is an integer number (54304866).

Almost surely, 2^144812974 is an apocalyptic number.

144812974 is a deficient number, since it is larger than the sum of its proper divisors (72406490).

144812974 is an equidigital number, since it uses as much as digits as its factorization.

144812974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72406489.

The product of its digits is 64512, while the sum is 40.

The square root of 144812974 is about 12033.8262410590. The cubic root of 144812974 is about 525.1328147725.

The spelling of 144812974 in words is "one hundred forty-four million, eight hundred twelve thousand, nine hundred seventy-four".