142525447 has 2 divisors, whose sum is σ = 142525448. Its totient is φ = 142525446.

The previous prime is 142525423. The next prime is 142525469. The reversal of 142525447 is 744525241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142525447 - 2²³ = 134136839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142525477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71262723 + 71262724.

It is an arithmetic number, because the mean of its divisors is an integer number (71262724).

Almost surely, 2^142525447 is an apocalyptic number.

142525447 is a deficient number, since it is larger than the sum of its proper divisors (1).

142525447 is an equidigital number, since it uses as much as digits as its factorization.

142525447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44800, while the sum is 34.

The square root of 142525447 is about 11938.4021962740. The cubic root of 142525447 is about 522.3530528519.

The spelling of 142525447 in words is "one hundred forty-two million, five hundred twenty-five thousand, four hundred forty-seven".