144416461 has 8 divisors (see below), whose sum is σ = 165960704. Its totient is φ = 123100560.

The previous prime is 144416453. The next prime is 144416497. The reversal of 144416461 is 164614441.

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 144416461 - 2³ = 144416453 is a prime.

It is a super-2 number, since 2×144416461² = 41712228415529042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144416161) 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, 55725 + ... + 58258.

It is an arithmetic number, because the mean of its divisors is an integer number (20745088).

Almost surely, 2^144416461 is an apocalyptic number.

It is an amenable number.

144416461 is a deficient number, since it is larger than the sum of its proper divisors (21544243).

144416461 is a wasteful number, since it uses less digits than its factorization.

144416461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114171.

The product of its digits is 9216, while the sum is 31.

The square root of 144416461 is about 12017.3400134972. The cubic root of 144416461 is about 524.6530872174.

It can be divided in two parts, 14441 and 6461, that added together give a palindrome (20902).

The spelling of 144416461 in words is "one hundred forty-four million, four hundred sixteen thousand, four hundred sixty-one".