144788190426 has 96 divisors (see below), whose sum is σ = 363955819968. Its totient is φ = 41112184320.

The previous prime is 144788190413. The next prime is 144788190487. The reversal of 144788190426 is 624091887441.

144788190426 is a `hidden beast` number, since 1 + 4 + 478 + 81 + 90 + 4 + 2 + 6 = 666.

It is a super-2 number, since 2×144788190426² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

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, 669336 + ... + 858828.

It is an arithmetic number, because the mean of its divisors is an integer number (3791206458).

Almost surely, 2^144788190426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144788190426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181977909984).

144788190426 is an abundant number, since it is smaller than the sum of its proper divisors (219167629542).

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

144788190426 is a wasteful number, since it uses less digits than its factorization.

144788190426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189756 (or 189753 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 144788190426 in words is "one hundred forty-four billion, seven hundred eighty-eight million, one hundred ninety thousand, four hundred twenty-six".