142545023 has 2 divisors, whose sum is σ = 142545024. Its totient is φ = 142545022.

The previous prime is 142545001. The next prime is 142545041. The reversal of 142545023 is 320545241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142545023 - 2¹² = 142540927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142544983 and 142545001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142545083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71272511 + 71272512.

It is an arithmetic number, because the mean of its divisors is an integer number (71272512).

Almost surely, 2^142545023 is an apocalyptic number.

142545023 is a deficient number, since it is larger than the sum of its proper divisors (1).

142545023 is an equidigital number, since it uses as much as digits as its factorization.

142545023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 142545023 is about 11939.2220433326. Note that the first 3 decimals coincide. The cubic root of 142545023 is about 522.3769669796.

The spelling of 142545023 in words is "one hundred forty-two million, five hundred forty-five thousand, twenty-three".