144093961 has 8 divisors (see below), whose sum is σ = 157307904. Its totient is φ = 130899120.

The previous prime is 144093959. The next prime is 144093977. The reversal of 144093961 is 169390441.

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

It is not a de Polignac number, because 144093961 - 2¹ = 144093959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144093961.

It is not an unprimeable number, because it can be changed into a prime (144093941) 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, 14355 + ... + 22231.

It is an arithmetic number, because the mean of its divisors is an integer number (19663488).

Almost surely, 2^144093961 is an apocalyptic number.

144093961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144093961 is a deficient number, since it is larger than the sum of its proper divisors (13213943).

144093961 is a wasteful number, since it uses less digits than its factorization.

144093961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9551.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 144093961 is about 12003.9144032270. The cubic root of 144093961 is about 524.2622575187.

The spelling of 144093961 in words is "one hundred forty-four million, ninety-three thousand, nine hundred sixty-one".