142625345 has 4 divisors (see below), whose sum is σ = 171150420. Its totient is φ = 114100272.

The previous prime is 142625341. The next prime is 142625377. The reversal of 142625345 is 543526241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61481281 + 81144064 = 7841^2 + 9008^2 .

It is a cyclic number.

It is not a de Polignac number, because 142625345 - 2² = 142625341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142625341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14262530 + ... + 14262539.

It is an arithmetic number, because the mean of its divisors is an integer number (42787605).

Almost surely, 2^142625345 is an apocalyptic number.

It is an amenable number.

142625345 is a deficient number, since it is larger than the sum of its proper divisors (28525075).

142625345 is an equidigital number, since it uses as much as digits as its factorization.

142625345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28525074.

The product of its digits is 28800, while the sum is 32.

The square root of 142625345 is about 11942.5853566135. The cubic root of 142625345 is about 522.4750657729.

The spelling of 142625345 in words is "one hundred forty-two million, six hundred twenty-five thousand, three hundred forty-five".