144964091 has 8 divisors (see below), whose sum is σ = 157516800. Its totient is φ = 132903720.

The previous prime is 144964087. The next prime is 144964093. The reversal of 144964091 is 190469441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144964091 - 2² = 144964087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144964093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122471 + ... + 123648.

It is an arithmetic number, because the mean of its divisors is an integer number (19689600).

Almost surely, 2^144964091 is an apocalyptic number.

144964091 is a deficient number, since it is larger than the sum of its proper divisors (12552709).

144964091 is a wasteful number, since it uses less digits than its factorization.

144964091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246169.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 144964091 is about 12040.1034463995. The cubic root of 144964091 is about 525.3154156028.

The spelling of 144964091 in words is "one hundred forty-four million, nine hundred sixty-four thousand, ninety-one".