144290331903 has 4 divisors (see below), whose sum is σ = 192387109208. Its totient is φ = 96193554600.

The previous prime is 144290331869. The next prime is 144290331931. The reversal of 144290331903 is 309133092441.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 144290331903 - 2²² = 144286137599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144290331803) 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, 24048388648 + ... + 24048388653.

It is an arithmetic number, because the mean of its divisors is an integer number (48096777302).

Almost surely, 2^144290331903 is an apocalyptic number.

144290331903 is a deficient number, since it is larger than the sum of its proper divisors (48096777305).

144290331903 is an equidigital number, since it uses as much as digits as its factorization.

144290331903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48096777304.

The product of its (nonzero) digits is 69984, while the sum is 39.

The spelling of 144290331903 in words is "one hundred forty-four billion, two hundred ninety million, three hundred thirty-one thousand, nine hundred three".