144256164436 has 12 divisors (see below), whose sum is σ = 252451049760. Its totient is φ = 72127293080.

The previous prime is 144256164389. The next prime is 144256164457. The reversal of 144256164436 is 634461652441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449955 + ... + 700693.

It is an arithmetic number, because the mean of its divisors is an integer number (21037587480).

Almost surely, 2^144256164436 is an apocalyptic number.

It is an amenable number.

144256164436 is a deficient number, since it is larger than the sum of its proper divisors (108194885324).

144256164436 is a wasteful number, since it uses less digits than its factorization.

144256164436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394574 (or 394572 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 46.

The spelling of 144256164436 in words is "one hundred forty-four billion, two hundred fifty-six million, one hundred sixty-four thousand, four hundred thirty-six".