142524447 has 32 divisors (see below), whose sum is σ = 217873152. Its totient is φ = 82097664.

The previous prime is 142524439. The next prime is 142524457. The reversal of 142524447 is 744425241.

142524447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142524447 - 2³ = 142524439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142524457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150028 + ... + 150974.

It is an arithmetic number, because the mean of its divisors is an integer number (6808536).

Almost surely, 2^142524447 is an apocalyptic number.

142524447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

142524447 is a deficient number, since it is larger than the sum of its proper divisors (75348705).

142524447 is a wasteful number, since it uses less digits than its factorization.

142524447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its digits is 35840, while the sum is 33.

The square root of 142524447 is about 11938.3603145491. The cubic root of 142524447 is about 522.3518311887.

Adding to 142524447 its reverse (744425241), we get a palindrome (886949688).

The spelling of 142524447 in words is "one hundred forty-two million, five hundred twenty-four thousand, four hundred forty-seven".