144122400552 has 32 divisors (see below), whose sum is σ = 388021848480. Its totient is φ = 44345353920.

The previous prime is 144122400551. The next prime is 144122400559. The reversal of 144122400552 is 255004221441.

It is a super-2 number, since 2×144122400552² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144122400551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230965074 + ... + 230965697.

It is an arithmetic number, because the mean of its divisors is an integer number (12125682765).

Almost surely, 2^144122400552 is an apocalyptic number.

144122400552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144122400552 is an abundant number, since it is smaller than the sum of its proper divisors (243899447928).

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

144122400552 is a wasteful number, since it uses less digits than its factorization.

144122400552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461930793 (or 461930789 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 144122400552 its reverse (255004221441), we get a palindrome (399126621993).

The spelling of 144122400552 in words is "one hundred forty-four billion, one hundred twenty-two million, four hundred thousand, five hundred fifty-two".