144942907 has 2 divisors, whose sum is σ = 144942908. Its totient is φ = 144942906.

The previous prime is 144942869. The next prime is 144942961. The reversal of 144942907 is 709249441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144942907 - 2⁷ = 144942779 is a prime.

It is a super-2 number, since 2×144942907² = 42016892579221298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144942907.

It is not a weakly prime, because it can be changed into another prime (144942607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72471453 + 72471454.

It is an arithmetic number, because the mean of its divisors is an integer number (72471454).

Almost surely, 2^144942907 is an apocalyptic number.

144942907 is a deficient number, since it is larger than the sum of its proper divisors (1).

144942907 is an equidigital number, since it uses as much as digits as its factorization.

144942907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 144942907 is about 12039.2236875971. The cubic root of 144942907 is about 525.2898257624.

The spelling of 144942907 in words is "one hundred forty-four million, nine hundred forty-two thousand, nine hundred seven".