142545031529 has 2 divisors, whose sum is σ = 142545031530. Its totient is φ = 142545031528.

The previous prime is 142545031523. The next prime is 142545031667. The reversal of 142545031529 is 925130545241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84781715929 + 57763315600 = 291173^2 + 240340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142545031529 is a prime.

It is not a weakly prime, because it can be changed into another prime (142545031523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71272515764 + 71272515765.

It is an arithmetic number, because the mean of its divisors is an integer number (71272515765).

Almost surely, 2^142545031529 is an apocalyptic number.

It is an amenable number.

142545031529 is a deficient number, since it is larger than the sum of its proper divisors (1).

142545031529 is an equidigital number, since it uses as much as digits as its factorization.

142545031529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 142545031529 in words is "one hundred forty-two billion, five hundred forty-five million, thirty-one thousand, five hundred twenty-nine".