144987934 has 32 divisors (see below), whose sum is σ = 283421376. Its totient is φ = 53982720.

The previous prime is 144987919. The next prime is 144987967. The reversal of 144987934 is 439789441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20337 + ... + 26524.

It is an arithmetic number, because the mean of its divisors is an integer number (8856918).

Almost surely, 2^144987934 is an apocalyptic number.

144987934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144987934 is a deficient number, since it is larger than the sum of its proper divisors (138433442).

144987934 is a wasteful number, since it uses less digits than its factorization.

144987934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46900.

The product of its digits is 870912, while the sum is 49.

The square root of 144987934 is about 12041.0935549891. The cubic root of 144987934 is about 525.3442144793.

The spelling of 144987934 in words is "one hundred forty-four million, nine hundred eighty-seven thousand, nine hundred thirty-four".