142232645 has 8 divisors (see below), whose sum is σ = 170756640. Its totient is φ = 113734480.

The previous prime is 142232633. The next prime is 142232647. The reversal of 142232645 is 546232241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142232645 - 2¹⁸ = 141970501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142232647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9050 + ... + 19140.

It is an arithmetic number, because the mean of its divisors is an integer number (21344580).

Almost surely, 2^142232645 is an apocalyptic number.

It is an amenable number.

142232645 is a deficient number, since it is larger than the sum of its proper divisors (28523995).

142232645 is a wasteful number, since it uses less digits than its factorization.

142232645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12915.

The product of its digits is 11520, while the sum is 29.

The square root of 142232645 is about 11926.1328602360. The cubic root of 142232645 is about 521.9951030304.

Adding to 142232645 its reverse (546232241), we get a palindrome (688464886).

The spelling of 142232645 in words is "one hundred forty-two million, two hundred thirty-two thousand, six hundred forty-five".