144521251242 has 32 divisors (see below), whose sum is σ = 289789980480. Its totient is φ = 48049259520.

The previous prime is 144521251223. The next prime is 144521251253. The reversal of 144521251242 is 242152125441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7605309 + ... + 7624287.

It is an arithmetic number, because the mean of its divisors is an integer number (9055936890).

Almost surely, 2^144521251242 is an apocalyptic number.

144521251242 is an abundant number, since it is smaller than the sum of its proper divisors (145268729238).

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

144521251242 is a wasteful number, since it uses less digits than its factorization.

144521251242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22198.

The product of its digits is 25600, while the sum is 33.

Adding to 144521251242 its reverse (242152125441), we get a palindrome (386673376683).

The spelling of 144521251242 in words is "one hundred forty-four billion, five hundred twenty-one million, two hundred fifty-one thousand, two hundred forty-two".