144194425 has 24 divisors (see below), whose sum is σ = 189978912. Its totient is φ = 108192000.

The previous prime is 144194411. The next prime is 144194431. The reversal of 144194425 is 524491441.

It is a happy number.

144194425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144194425 - 2⁹ = 144193913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208330 + ... + 209020.

It is an arithmetic number, because the mean of its divisors is an integer number (7915788).

Almost surely, 2^144194425 is an apocalyptic number.

It is an amenable number.

144194425 is a deficient number, since it is larger than the sum of its proper divisors (45784487).

144194425 is a wasteful number, since it uses less digits than its factorization.

144194425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209 (or 1204 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 144194425 is about 12008.0983090579. The cubic root of 144194425 is about 524.3840698121.

The spelling of 144194425 in words is "one hundred forty-four million, one hundred ninety-four thousand, four hundred twenty-five".