144801457242 has 32 divisors (see below), whose sum is σ = 322634551680. Its totient is φ = 43017938880.

The previous prime is 144801457223. The next prime is 144801457253. The reversal of 144801457242 is 242754108441.

It is a junction number, because it is equal to n+sod(n) for n = 144801457194 and 144801457203.

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, 32005134 + ... + 32009657.

It is an arithmetic number, because the mean of its divisors is an integer number (10082329740).

Almost surely, 2^144801457242 is an apocalyptic number.

144801457242 is an abundant number, since it is smaller than the sum of its proper divisors (177833094438).

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

144801457242 is a wasteful number, since it uses less digits than its factorization.

144801457242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64014838.

The product of its (nonzero) digits is 286720, while the sum is 42.

The spelling of 144801457242 in words is "one hundred forty-four billion, eight hundred one million, four hundred fifty-seven thousand, two hundred forty-two".