94144321 has 4 divisors (see below), whose sum is σ = 94273492. Its totient is φ = 94015152.

The previous prime is 94144307. The next prime is 94144331. The reversal of 94144321 is 12344149.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12344149 = 547 ⋅22567.

It can be written as a sum of positive squares in 2 ways, for example, as 48108096 + 46036225 = 6936^2 + 6785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94144321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94144321.

It is not an unprimeable number, because it can be changed into a prime (94144301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63486 + ... + 64951.

It is an arithmetic number, because the mean of its divisors is an integer number (23568373).

Almost surely, 2^94144321 is an apocalyptic number.

It is an amenable number.

94144321 is a deficient number, since it is larger than the sum of its proper divisors (129171).

94144321 is a wasteful number, since it uses less digits than its factorization.

94144321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129170.

The product of its digits is 3456, while the sum is 28.

The square root of 94144321 is about 9702.7996475244. The cubic root of 94144321 is about 454.9161718126.

The spelling of 94144321 in words is "ninety-four million, one hundred forty-four thousand, three hundred twenty-one".