142552741 has 2 divisors, whose sum is σ = 142552742. Its totient is φ = 142552740.

The previous prime is 142552727. The next prime is 142552771. The reversal of 142552741 is 147255241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89699841 + 52852900 = 9471^2 + 7270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142552741 is a prime.

It is a super-2 number, since 2×142552741² = 40642567933226162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142552771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71276370 + 71276371.

It is an arithmetic number, because the mean of its divisors is an integer number (71276371).

Almost surely, 2^142552741 is an apocalyptic number.

It is an amenable number.

142552741 is a deficient number, since it is larger than the sum of its proper divisors (1).

142552741 is an equidigital number, since it uses as much as digits as its factorization.

142552741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11200, while the sum is 31.

The square root of 142552741 is about 11939.5452593472. The cubic root of 142552741 is about 522.3863947206.

The spelling of 142552741 in words is "one hundred forty-two million, five hundred fifty-two thousand, seven hundred forty-one".