144052520 has 16 divisors (see below), whose sum is σ = 324118260. Its totient is φ = 57620992.

The previous prime is 144052499. The next prime is 144052523. The reversal of 144052520 is 25250441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 131928196 + 12124324 = 11486^2 + 3482^2 .

It is a super-2 number, since 2×144052520² = 41502257036700800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144052523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1800617 + ... + 1800696.

Almost surely, 2^144052520 is an apocalyptic number.

144052520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144052520 is an abundant number, since it is smaller than the sum of its proper divisors (180065740).

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

144052520 is a wasteful number, since it uses less digits than its factorization.

144052520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601324 (or 3601320 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 144052520 is about 12002.1881338363. The cubic root of 144052520 is about 524.2119939380.

The spelling of 144052520 in words is "one hundred forty-four million, fifty-two thousand, five hundred twenty".