144931356 has 30 divisors (see below), whose sum is σ = 378880040. Its totient is φ = 48310344.

The previous prime is 144931337. The next prime is 144931361. The reversal of 144931356 is 653139441.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 144931356.

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 in 9 ways as a sum of consecutive naturals, for example, 223336 + ... + 223983.

Almost surely, 2^144931356 is an apocalyptic number.

It is an amenable number.

144931356 is an abundant number, since it is smaller than the sum of its proper divisors (233948684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144931356 is a wasteful number, since it uses less digits than its factorization.

144931356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447335 (or 447324 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 144931356 is about 12038.7439544165. The cubic root of 144931356 is about 525.2758713392.

It can be divided in two parts, 14 and 4931356, that added together give a triangular number (4931370 = T₃₁₄₀).

The spelling of 144931356 in words is "one hundred forty-four million, nine hundred thirty-one thousand, three hundred fifty-six".