144507072 has 56 divisors (see below), whose sum is σ = 404841456. Its totient is φ = 45334528.

The previous prime is 144507071. The next prime is 144507101. The reversal of 144507072 is 270705441.

It is not an unprimeable number, because it can be changed into a prime (144507071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18873 + ... + 25400.

Almost surely, 2^144507072 is an apocalyptic number.

144507072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144507072 is an abundant number, since it is smaller than the sum of its proper divisors (260334384).

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

144507072 is a wasteful number, since it uses less digits than its factorization.

144507072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44305 (or 44295 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 144507072 is about 12021.1094329933. The cubic root of 144507072 is about 524.7627917056.

The spelling of 144507072 in words is "one hundred forty-four million, five hundred seven thousand, seventy-two".