144474880 has 144 divisors (see below), whose sum is σ = 390878208. Its totient is φ = 50688000.

The previous prime is 144474859. The next prime is 144474919. The reversal of 144474880 is 88474441.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 436315 + ... + 436645.

It is an arithmetic number, because the mean of its divisors is an integer number (2714432).

Almost surely, 2^144474880 is an apocalyptic number.

144474880 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 144474880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195439104).

144474880 is an abundant number, since it is smaller than the sum of its proper divisors (246403328).

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

144474880 is a wasteful number, since it uses less digits than its factorization.

144474880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 40.

The square root of 144474880 is about 12019.7703805023. The cubic root of 144474880 is about 524.7238214828.

The spelling of 144474880 in words is "one hundred forty-four million, four hundred seventy-four thousand, eight hundred eighty".