144272530 has 16 divisors (see below), whose sum is σ = 259849944. Its totient is φ = 57673600.

The previous prime is 144272483. The next prime is 144272533. The reversal of 144272530 is 35272441.

It can be written as a sum of positive squares in 4 ways, for example, as 74666881 + 69605649 = 8641^2 + 8343^2 .

It is not an unprimeable number, because it can be changed into a prime (144272533) 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, 18180 + ... + 24880.

Almost surely, 2^144272530 is an apocalyptic number.

144272530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144272530 is a deficient number, since it is larger than the sum of its proper divisors (115577414).

144272530 is a wasteful number, since it uses less digits than its factorization.

144272530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8861.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 144272530 is about 12011.3500490161. The cubic root of 144272530 is about 524.4787327993.

The spelling of 144272530 in words is "one hundred forty-four million, two hundred seventy-two thousand, five hundred thirty".