144980172 has 24 divisors (see below), whose sum is σ = 375874800. Its totient is φ = 48326688.

The previous prime is 144980159. The next prime is 144980179. The reversal of 144980172 is 271089441.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (144980179) 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 7 ways as a sum of consecutive naturals, for example, 671097 + ... + 671312.

It is an arithmetic number, because the mean of its divisors is an integer number (15661450).

Almost surely, 2^144980172 is an apocalyptic number.

144980172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144980172 is an abundant number, since it is smaller than the sum of its proper divisors (230894628).

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

144980172 is a wasteful number, since it uses less digits than its factorization.

144980172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342422 (or 1342414 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 144980172 is about 12040.7712377572. The cubic root of 144980172 is about 525.3348394588.

The spelling of 144980172 in words is "one hundred forty-four million, nine hundred eighty thousand, one hundred seventy-two".