144673920 has 96 divisors (see below), whose sum is σ = 499597020. Its totient is φ = 38578176.

The previous prime is 144673913. The next prime is 144673939. The reversal of 144673920 is 29376441.

It can be written as a sum of positive squares in 2 ways, for example, as 144576576 + 97344 = 12024^2 + 312^2 .

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6799 + ... + 18318.

Almost surely, 2^144673920 is an apocalyptic number.

144673920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144673920 is an abundant number, since it is smaller than the sum of its proper divisors (354923100).

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

144673920 is a wasteful number, since it uses less digits than its factorization.

144673920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25142 (or 25127 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 144673920 is about 12028.0472230533. The cubic root of 144673920 is about 524.9646778957.

The spelling of 144673920 in words is "one hundred forty-four million, six hundred seventy-three thousand, nine hundred twenty".