144001402120 has 64 divisors (see below), whose sum is σ = 342612426240. Its totient is φ = 54382886400.

The previous prime is 144001402109. The next prime is 144001402159. The reversal of 144001402120 is 21204100441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1365382 + ... + 1467061.

It is an arithmetic number, because the mean of its divisors is an integer number (5353319160).

Almost surely, 2^144001402120 is an apocalyptic number.

144001402120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144001402120 is an abundant number, since it is smaller than the sum of its proper divisors (198611024120).

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

144001402120 is a wasteful number, since it uses less digits than its factorization.

144001402120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832526 (or 2832522 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 144001402120 its reverse (21204100441), we get a palindrome (165205502561).

It can be divided in two parts, 144001 and 402120, that added together give a square (546121 = 739²).

The spelling of 144001402120 in words is "one hundred forty-four billion, one million, four hundred two thousand, one hundred twenty".