144044785620 has 48 divisors (see below), whose sum is σ = 448139334720. Its totient is φ = 38411942688.

The previous prime is 144044785613. The next prime is 144044785649. The reversal of 144044785620 is 26587440441.

144044785620 is a `hidden beast` number, since 1 + 4 + 40 + 4 + 47 + 8 + 562 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 133374262 + ... + 133375341.

It is an arithmetic number, because the mean of its divisors is an integer number (9336236140).

Almost surely, 2^144044785620 is an apocalyptic number.

144044785620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144044785620 is an abundant number, since it is smaller than the sum of its proper divisors (304094549100).

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

144044785620 is a wasteful number, since it uses less digits than its factorization.

144044785620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266749621 (or 266749613 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 144044785620 in words is "one hundred forty-four billion, forty-four million, seven hundred eighty-five thousand, six hundred twenty".