144042461 has 8 divisors (see below), whose sum is σ = 148838400. Its totient is φ = 139255920.

The previous prime is 144042427. The next prime is 144042473. The reversal of 144042461 is 164240441.

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 144042461 - 2²² = 139848157 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 144042461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144042761) 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, 42995 + ... + 46223.

It is an arithmetic number, because the mean of its divisors is an integer number (18604800).

Almost surely, 2^144042461 is an apocalyptic number.

It is an amenable number.

144042461 is a deficient number, since it is larger than the sum of its proper divisors (4795939).

144042461 is a wasteful number, since it uses less digits than its factorization.

144042461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 144042461 is about 12001.7690779318. The cubic root of 144042461 is about 524.1997919735.

The spelling of 144042461 in words is "one hundred forty-four million, forty-two thousand, four hundred sixty-one".