144151522921 has 8 divisors (see below), whose sum is σ = 173415366080. Its totient is φ = 117055371888.

The previous prime is 144151522919. The next prime is 144151522973. The reversal of 144151522921 is 129225151441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144151522921 - 2¹ = 144151522919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144151522121) 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, 541922886 + ... + 541923151.

It is an arithmetic number, because the mean of its divisors is an integer number (21676920760).

Almost surely, 2^144151522921 is an apocalyptic number.

It is an amenable number.

144151522921 is a deficient number, since it is larger than the sum of its proper divisors (29263843159).

144151522921 is a wasteful number, since it uses less digits than its factorization.

144151522921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083846063.

The product of its digits is 28800, while the sum is 37.

The spelling of 144151522921 in words is "one hundred forty-four billion, one hundred fifty-one million, five hundred twenty-two thousand, nine hundred twenty-one".