144907933 has 4 divisors (see below), whose sum is σ = 145020448. Its totient is φ = 144795420.

The previous prime is 144907921. The next prime is 144907967. The reversal of 144907933 is 339709441.

It is a happy number.

144907933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 339709441 = 163 ⋅2084107.

It is a cyclic number.

It is not a de Polignac number, because 144907933 - 2⁵ = 144907901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144907913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54303 + ... + 56908.

It is an arithmetic number, because the mean of its divisors is an integer number (36255112).

Almost surely, 2^144907933 is an apocalyptic number.

It is an amenable number.

144907933 is a deficient number, since it is larger than the sum of its proper divisors (112515).

144907933 is a wasteful number, since it uses less digits than its factorization.

144907933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112514.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 144907933 is about 12037.7710976742. The cubic root of 144907933 is about 525.2475724260.

The spelling of 144907933 in words is "one hundred forty-four million, nine hundred seven thousand, nine hundred thirty-three".