140452122144 has 24 divisors (see below), whose sum is σ = 368686820880. Its totient is φ = 46817374016.

The previous prime is 140452122131. The next prime is 140452122149. The reversal of 140452122144 is 441221254041.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×140452122144² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140452122149) 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, 731521374 + ... + 731521565.

It is an arithmetic number, because the mean of its divisors is an integer number (15361950870).

Almost surely, 2^140452122144 is an apocalyptic number.

It is an amenable number.

140452122144 is an abundant number, since it is smaller than the sum of its proper divisors (228234698736).

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

140452122144 is a wasteful number, since it uses less digits than its factorization.

140452122144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463042952 (or 1463042944 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 140452122144 its reverse (441221254041), we get a palindrome (581673376185).

The spelling of 140452122144 in words is "one hundred forty billion, four hundred fifty-two million, one hundred twenty-two thousand, one hundred forty-four".