144673190769420 has 144 divisors (see below), whose sum is σ = 443124375220800. Its totient is φ = 38203082846208.

The previous prime is 144673190769379. The next prime is 144673190769433. The reversal of 144673190769420 is 24967091376441.

144673190769420 is a `hidden beast` number, since 1 + 4 + 4 + 67 + 3 + 1 + 90 + 7 + 69 + 420 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 399856756 + ... + 400218404.

It is an arithmetic number, because the mean of its divisors is an integer number (3077252605700).

Almost surely, 2^{144673190769420} is an apocalyptic number.

144673190769420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144673190769420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221562187610400).

144673190769420 is an abundant number, since it is smaller than the sum of its proper divisors (298451184451380).

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

144673190769420 is a wasteful number, since it uses less digits than its factorization.

144673190769420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383344 (or 383339 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 144673190769420 in words is "one hundred forty-four trillion, six hundred seventy-three billion, one hundred ninety million, seven hundred sixty-nine thousand, four hundred twenty".