144879744 has 32 divisors (see below), whose sum is σ = 384837840. Its totient is φ = 48293120.

The previous prime is 144879743. The next prime is 144879767. The reversal of 144879744 is 447978441.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 144879693 and 144879702.

It is not an unprimeable number, because it can be changed into a prime (144879743) 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, 188262 + ... + 189029.

Almost surely, 2^144879744 is an apocalyptic number.

It is an amenable number.

144879744 is an abundant number, since it is smaller than the sum of its proper divisors (239958096).

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

144879744 is an equidigital number, since it uses as much as digits as its factorization.

144879744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377308 (or 377296 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 144879744 is about 12036.6001844375. The cubic root of 144879744 is about 525.2135113416.

The spelling of 144879744 in words is "one hundred forty-four million, eight hundred seventy-nine thousand, seven hundred forty-four".