142525241 has 4 divisors (see below), whose sum is σ = 143936484. Its totient is φ = 141114000.

The previous prime is 142525237. The next prime is 142525267.

142525241 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100080016 + 42445225 = 10004^2 + 6515^2 .

It is a cyclic number.

It is not a de Polignac number, because 142525241 - 2² = 142525237 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 142525241.

It is not an unprimeable number, because it can be changed into a prime (142525541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705470 + ... + 705671.

It is an arithmetic number, because the mean of its divisors is an integer number (35984121).

Almost surely, 2^142525241 is an apocalyptic number.

It is an amenable number.

142525241 is a deficient number, since it is larger than the sum of its proper divisors (1411243).

142525241 is a wasteful number, since it uses less digits than its factorization.

142525241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411242.

The product of its digits is 3200, while the sum is 26.

The square root of 142525241 is about 11938.3935686507. The cubic root of 142525241 is about 522.3528011897.

The spelling of 142525241 in words is "one hundred forty-two million, five hundred twenty-five thousand, two hundred forty-one".