142884941 has 2 divisors, whose sum is σ = 142884942. Its totient is φ = 142884940.

The previous prime is 142884857. The next prime is 142884971. The reversal of 142884941 is 149488241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126450025 + 16434916 = 11245^2 + 4054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142884941 is a prime.

It is a super-2 number, since 2×142884941² = 40832212729146962, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142884971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71442470 + 71442471.

It is an arithmetic number, because the mean of its divisors is an integer number (71442471).

Almost surely, 2^142884941 is an apocalyptic number.

It is an amenable number.

142884941 is a deficient number, since it is larger than the sum of its proper divisors (1).

142884941 is an equidigital number, since it uses as much as digits as its factorization.

142884941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 41.

The square root of 142884941 is about 11953.4489165261. The cubic root of 142884941 is about 522.7918636766.

The spelling of 142884941 in words is "one hundred forty-two million, eight hundred eighty-four thousand, nine hundred forty-one".