144081672020 has 72 divisors (see below), whose sum is σ = 358161650952. Its totient is φ = 48363068160.

The previous prime is 144081672011. The next prime is 144081672061. The reversal of 144081672020 is 20276180441.

It can be written as a sum of positive squares in 4 ways, for example, as 595262404 + 143486409616 = 24398^2 + 378796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2258459 + ... + 2321378.

Almost surely, 2^144081672020 is an apocalyptic number.

144081672020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144081672020 is an abundant number, since it is smaller than the sum of its proper divisors (214079978932).

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

144081672020 is a wasteful number, since it uses less digits than its factorization.

144081672020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579881 (or 4579868 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 144081672020 in words is "one hundred forty-four billion, eighty-one million, six hundred seventy-two thousand, twenty".