144425907 has 12 divisors (see below), whose sum is σ = 210960360. Its totient is φ = 95201568.

The previous prime is 144425891. The next prime is 144425917. The reversal of 144425907 is 709524441.

It is a happy number.

144425907 is a `hidden beast` number, since 144 + 425 + 90 + 7 = 666.

It is not a de Polignac number, because 144425907 - 2⁴ = 144425891 is a prime.

It is a super-2 number, since 2×144425907² = 41717685225545298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144425917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89353 + ... + 90954.

It is an arithmetic number, because the mean of its divisors is an integer number (17580030).

Almost surely, 2^144425907 is an apocalyptic number.

144425907 is a deficient number, since it is larger than the sum of its proper divisors (66534453).

144425907 is a wasteful number, since it uses less digits than its factorization.

144425907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180402 (or 180399 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 144425907 is about 12017.7330224964. The cubic root of 144425907 is about 524.6645258142.

The spelling of 144425907 in words is "one hundred forty-four million, four hundred twenty-five thousand, nine hundred seven".