144090441 has 32 divisors (see below), whose sum is σ = 238573440. Its totient is φ = 85190400.

The previous prime is 144090413. The next prime is 144090451.

144090441 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 144090441 - 2⁷ = 144090313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (144090451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6261 + ... + 18093.

It is an arithmetic number, because the mean of its divisors is an integer number (7455420).

Almost surely, 2^144090441 is an apocalyptic number.

144090441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144090441 is a deficient number, since it is larger than the sum of its proper divisors (94482999).

144090441 is a wasteful number, since it uses less digits than its factorization.

144090441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11894 (or 11888 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 144090441 is about 12003.7677834920. The cubic root of 144090441 is about 524.2579885029.

The spelling of 144090441 in words is "one hundred forty-four million, ninety thousand, four hundred forty-one".