144570252 has 24 divisors (see below), whose sum is σ = 338007600. Its totient is φ = 48093376.

The previous prime is 144570247. The next prime is 144570253. The reversal of 144570252 is 252075441.

It is not an unprimeable number, because it can be changed into a prime (144570253) 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, 5727 + ... + 17942.

It is an arithmetic number, because the mean of its divisors is an integer number (14083650).

Almost surely, 2^144570252 is an apocalyptic number.

144570252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144570252 is an abundant number, since it is smaller than the sum of its proper divisors (193437348).

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

144570252 is a wasteful number, since it uses less digits than its factorization.

144570252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24185 (or 24183 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 144570252 is about 12023.7370230723. The cubic root of 144570252 is about 524.8392578192.

The spelling of 144570252 in words is "one hundred forty-four million, five hundred seventy thousand, two hundred fifty-two".