144773974 has 8 divisors (see below), whose sum is σ = 224649360. Its totient is φ = 69890856.

The previous prime is 144773971. The next prime is 144773987. The reversal of 144773974 is 479377441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144773971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247994 + ... + 1248109.

It is an arithmetic number, because the mean of its divisors is an integer number (28081170).

Almost surely, 2^144773974 is an apocalyptic number.

144773974 is a deficient number, since it is larger than the sum of its proper divisors (79875386).

144773974 is a wasteful number, since it uses less digits than its factorization.

144773974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496134.

The product of its digits is 592704, while the sum is 46.

The square root of 144773974 is about 12032.2056997044. The cubic root of 144773974 is about 525.0856688619.

The spelling of 144773974 in words is "one hundred forty-four million, seven hundred seventy-three thousand, nine hundred seventy-four".