142354241 has 4 divisors (see below), whose sum is σ = 142382292. Its totient is φ = 142326192.

The previous prime is 142354229. The next prime is 142354249. The reversal of 142354241 is 142453241.

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 73530625 + 68823616 = 8575^2 + 8296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142354241 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 142354241.

It is not an unprimeable number, because it can be changed into a prime (142354249) 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, 4046 + ... + 17351.

It is an arithmetic number, because the mean of its divisors is an integer number (35595573).

Almost surely, 2^142354241 is an apocalyptic number.

It is an amenable number.

142354241 is a deficient number, since it is larger than the sum of its proper divisors (28051).

142354241 is an equidigital number, since it uses as much as digits as its factorization.

142354241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28050.

The product of its digits is 3840, while the sum is 26.

The square root of 142354241 is about 11931.2296516327. The cubic root of 142354241 is about 522.1438134698.

The spelling of 142354241 in words is "one hundred forty-two million, three hundred fifty-four thousand, two hundred forty-one".