144347653420 has 24 divisors (see below), whose sum is σ = 303142165200. Its totient is φ = 57736757952.

The previous prime is 144347653399. The next prime is 144347653421. The reversal of 144347653420 is 24356743441.

It is not an unprimeable number, because it can be changed into a prime (144347653421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424686 + ... + 684874.

It is an arithmetic number, because the mean of its divisors is an integer number (12630923550).

Almost surely, 2^144347653420 is an apocalyptic number.

144347653420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144347653420 is an abundant number, since it is smaller than the sum of its proper divisors (158794511780).

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

144347653420 is a wasteful number, since it uses less digits than its factorization.

144347653420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287937 (or 287935 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 43.

The spelling of 144347653420 in words is "one hundred forty-four billion, three hundred forty-seven million, six hundred fifty-three thousand, four hundred twenty".