142315441 has 8 divisors (see below), whose sum is σ = 150002280. Its totient is φ = 134813952.

The previous prime is 142315417. The next prime is 142315487. The reversal of 142315441 is 144513241.

It can be written as a sum of positive squares in 4 ways, for example, as 76055841 + 66259600 = 8721^2 + 8140^2 .

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 142315441 - 2⁹ = 142314929 is a prime.

It is a super-3 number, since 3×142315441³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142312441) 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, 44760 + ... + 47833.

It is an arithmetic number, because the mean of its divisors is an integer number (18750285).

Almost surely, 2^142315441 is an apocalyptic number.

It is an amenable number.

142315441 is a deficient number, since it is larger than the sum of its proper divisors (7686839).

142315441 is an equidigital number, since it uses as much as digits as its factorization.

142315441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92675.

The product of its digits is 1920, while the sum is 25.

The square root of 142315441 is about 11929.6035558605. The cubic root of 142315441 is about 522.0963707412.

Adding to 142315441 its reverse (144513241), we get a palindrome (286828682).

The spelling of 142315441 in words is "one hundred forty-two million, three hundred fifteen thousand, four hundred forty-one".