144642206243652 has 96 divisors (see below), whose sum is σ = 395240975724672. Its totient is φ = 40755245561856.

The previous prime is 144642206243641. The next prime is 144642206243681. The reversal of 144642206243652 is 256342602246441.

It is a super-2 number, since 2×144642206243652² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 144642206243595 and 144642206243604.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 736939738 + ... + 737135985.

It is an arithmetic number, because the mean of its divisors is an integer number (4117093497132).

Almost surely, 2^{144642206243652} is an apocalyptic number.

144642206243652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144642206243652 is an abundant number, since it is smaller than the sum of its proper divisors (250598769481020).

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

144642206243652 is a wasteful number, since it uses less digits than its factorization.

144642206243652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474075797 (or 1474075795 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 51.

The spelling of 144642206243652 in words is "one hundred forty-four trillion, six hundred forty-two billion, two hundred six million, two hundred forty-three thousand, six hundred fifty-two".