144869760 has 192 divisors, whose sum is σ = 571877280. Its totient is φ = 33103872.

The previous prime is 144869759. The next prime is 144869833. The reversal of 144869760 is 67968441.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38524 + ... + 42116.

Almost surely, 2^144869760 is an apocalyptic number.

144869760 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 144869760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285938640).

144869760 is an abundant number, since it is smaller than the sum of its proper divisors (427007520).

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

144869760 is a wasteful number, since it uses less digits than its factorization.

144869760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625 (or 3610 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 144869760 is about 12036.1854422404. The cubic root of 144869760 is about 525.2014465031.

The spelling of 144869760 in words is "one hundred forty-four million, eight hundred sixty-nine thousand, seven hundred sixty".