144942031 has 16 divisors (see below), whose sum is σ = 160570368. Its totient is φ = 129996000.

The previous prime is 144942023. The next prime is 144942037. The reversal of 144942031 is 130249441.

It is a cyclic number.

It is not a de Polignac number, because 144942031 - 2³ = 144942023 is a prime.

It is a super-2 number, since 2×144942031² = 42016384700809922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144942037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91476 + ... + 93046.

It is an arithmetic number, because the mean of its divisors is an integer number (10035648).

Almost surely, 2^144942031 is an apocalyptic number.

144942031 is a deficient number, since it is larger than the sum of its proper divisors (15628337).

144942031 is a wasteful number, since it uses less digits than its factorization.

144942031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782.

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

The square root of 144942031 is about 12039.1873064589. The cubic root of 144942031 is about 525.2887675185.

The spelling of 144942031 in words is "one hundred forty-four million, nine hundred forty-two thousand, thirty-one".