144344974 has 4 divisors (see below), whose sum is σ = 216517464. Its totient is φ = 72172486.

The previous prime is 144344933. The next prime is 144344983. The reversal of 144344974 is 479443441.

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

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36086242 + ... + 36086245.

It is an arithmetic number, because the mean of its divisors is an integer number (54129366).

Almost surely, 2^144344974 is an apocalyptic number.

144344974 is a deficient number, since it is larger than the sum of its proper divisors (72172490).

144344974 is an equidigital number, since it uses as much as digits as its factorization.

144344974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72172489.

The product of its digits is 193536, while the sum is 40.

The square root of 144344974 is about 12014.3653182347. The cubic root of 144344974 is about 524.5665041386.

The spelling of 144344974 in words is "one hundred forty-four million, three hundred forty-four thousand, nine hundred seventy-four".