144975029465 has 32 divisors (see below), whose sum is σ = 203198561280. Its totient is φ = 97226648064.

The previous prime is 144975029429. The next prime is 144975029531. The reversal of 144975029465 is 564920579441.

It is not a de Polignac number, because 144975029465 - 2²⁰ = 144973980889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144975029465.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2319869 + ... + 2381541.

It is an arithmetic number, because the mean of its divisors is an integer number (6349955040).

Almost surely, 2^144975029465 is an apocalyptic number.

It is an amenable number.

144975029465 is a deficient number, since it is larger than the sum of its proper divisors (58223531815).

144975029465 is a wasteful number, since it uses less digits than its factorization.

144975029465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63161.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 144975029465 in words is "one hundred forty-four billion, nine hundred seventy-five million, twenty-nine thousand, four hundred sixty-five".