142614401 has 16 divisors (see below), whose sum is σ = 148539600. Its totient is φ = 136857600.

The previous prime is 142614379. The next prime is 142614419. The reversal of 142614401 is 104416241.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7706176 + 134908225 = 2776^2 + 11615^2 .

It is a cyclic number.

It is not a de Polignac number, because 142614401 - 2¹⁸ = 142352257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142614481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591641 + ... + 591881.

It is an arithmetic number, because the mean of its divisors is an integer number (9283725).

Almost surely, 2^142614401 is an apocalyptic number.

It is an amenable number.

142614401 is a deficient number, since it is larger than the sum of its proper divisors (5925199).

142614401 is a wasteful number, since it uses less digits than its factorization.

142614401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 142614401 is about 11942.1271555783. The cubic root of 142614401 is about 522.4617018242.

The spelling of 142614401 in words is "one hundred forty-two million, six hundred fourteen thousand, four hundred one".