142544625 has 32 divisors (see below), whose sum is σ = 239915520. Its totient is φ = 75152000.

The previous prime is 142544621. The next prime is 142544627. The reversal of 142544625 is 526445241.

It is not a de Polignac number, because 142544625 - 2² = 142544621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142544621) 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, 31240 + ... + 35510.

It is an arithmetic number, because the mean of its divisors is an integer number (7497360).

Almost surely, 2^142544625 is an apocalyptic number.

142544625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142544625 is a deficient number, since it is larger than the sum of its proper divisors (97370895).

142544625 is an equidigital number, since it uses as much as digits as its factorization.

142544625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378 (or 4368 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 142544625 is about 11939.2053755683. The cubic root of 142544625 is about 522.3764808029.

Adding to 142544625 its reverse (526445241), we get a palindrome (668989866).

The spelling of 142544625 in words is "one hundred forty-two million, five hundred forty-four thousand, six hundred twenty-five".