144050891 has 4 divisors (see below), whose sum is σ = 145874400. Its totient is φ = 142227384.

The previous prime is 144050887. The next prime is 144050923. The reversal of 144050891 is 198050441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144050891 - 2² = 144050887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144050791) 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, 911636 + ... + 911793.

It is an arithmetic number, because the mean of its divisors is an integer number (36468600).

Almost surely, 2^144050891 is an apocalyptic number.

144050891 is a deficient number, since it is larger than the sum of its proper divisors (1823509).

144050891 is an equidigital number, since it uses as much as digits as its factorization.

144050891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823508.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 144050891 is about 12002.1202710188. The cubic root of 144050891 is about 524.2100179352.

The spelling of 144050891 in words is "one hundred forty-four million, fifty thousand, eight hundred ninety-one".