144372492 has 72 divisors (see below), whose sum is σ = 400392720. Its totient is φ = 43499520.

The previous prime is 144372467. The next prime is 144372499. The reversal of 144372492 is 294273441.

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 (144372499) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 75484 + ... + 77372.

It is an arithmetic number, because the mean of its divisors is an integer number (5561010).

Almost surely, 2^144372492 is an apocalyptic number.

144372492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144372492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200196360).

144372492 is an abundant number, since it is smaller than the sum of its proper divisors (256020228).

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

144372492 is a wasteful number, since it uses less digits than its factorization.

144372492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103 (or 2098 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 144372492 is about 12015.5104760472. The cubic root of 144372492 is about 524.5998365631.

Adding to 144372492 its sum of digits (36), we get a triangular number (144372528 = T₁₆₉₉₂).

It can be divided in two parts, 14437249 and 2, that added together give a triangular number (14437251 = T₅₃₇₃).

The spelling of 144372492 in words is "one hundred forty-four million, three hundred seventy-two thousand, four hundred ninety-two".