144875520 has 224 divisors, whose sum is σ = 519013440. Its totient is φ = 38338560.

The previous prime is 144875519. The next prime is 144875537. The reversal of 144875520 is 25578441.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105855 + ... + 1105985.

Almost surely, 2^144875520 is an apocalyptic number.

144875520 is a gapful number since it is divisible by the number (10) 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 144875520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259506720).

144875520 is an abundant number, since it is smaller than the sum of its proper divisors (374137920).

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

144875520 is an equidigital number, since it uses as much as digits as its factorization.

144875520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 144875520 is about 12036.4247183289. The cubic root of 144875520 is about 525.2084070545.

The spelling of 144875520 in words is "one hundred forty-four million, eight hundred seventy-five thousand, five hundred twenty".