144556013652 has 12 divisors (see below), whose sum is σ = 337297365216. Its totient is φ = 48185337880.

The previous prime is 144556013627. The next prime is 144556013653. The reversal of 144556013652 is 256310655441.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144556013653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6023167224 + ... + 6023167247.

It is an arithmetic number, because the mean of its divisors is an integer number (28108113768).

Almost surely, 2^144556013652 is an apocalyptic number.

144556013652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144556013652 is an abundant number, since it is smaller than the sum of its proper divisors (192741351564).

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

144556013652 is a wasteful number, since it uses less digits than its factorization.

144556013652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12046334478 (or 12046334476 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 144556013652 in words is "one hundred forty-four billion, five hundred fifty-six million, thirteen thousand, six hundred fifty-two".