144147684 has 48 divisors (see below), whose sum is σ = 346300416. Its totient is φ = 46644000.

The previous prime is 144147649. The next prime is 144147713. The reversal of 144147684 is 486741441.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 72909 + ... + 74859.

It is an arithmetic number, because the mean of its divisors is an integer number (7214592).

Almost surely, 2^144147684 is an apocalyptic number.

It is an amenable number.

144147684 is an abundant number, since it is smaller than the sum of its proper divisors (202152732).

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

144147684 is a wasteful number, since it uses less digits than its factorization.

144147684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136 (or 2134 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 144147684 is about 12006.1519230768. The cubic root of 144147684 is about 524.3274035330.

The spelling of 144147684 in words is "one hundred forty-four million, one hundred forty-seven thousand, six hundred eighty-four".