144213461 has 8 divisors (see below), whose sum is σ = 166019520. Its totient is φ = 122708448.

The previous prime is 144213451. The next prime is 144213469. The reversal of 144213461 is 164312441.

It is a happy number.

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 144213461 - 2²⁶ = 77104597 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 144213461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144213469) 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, 74231 + ... + 76148.

It is an arithmetic number, because the mean of its divisors is an integer number (20752440).

Almost surely, 2^144213461 is an apocalyptic number.

It is an amenable number.

144213461 is a deficient number, since it is larger than the sum of its proper divisors (21806059).

144213461 is a wasteful number, since it uses less digits than its factorization.

144213461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150523.

The product of its digits is 2304, while the sum is 26.

The square root of 144213461 is about 12008.8909146515. The cubic root of 144213461 is about 524.4071445275.

The spelling of 144213461 in words is "one hundred forty-four million, two hundred thirteen thousand, four hundred sixty-one".