142207633 has 4 divisors (see below), whose sum is σ = 146795008. Its totient is φ = 137620260.

The previous prime is 142207631. The next prime is 142207649. The reversal of 142207633 is 336702241.

142207633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142207633 - 2¹ = 142207631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142207631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293641 + ... + 2293702.

It is an arithmetic number, because the mean of its divisors is an integer number (36698752).

Almost surely, 2^142207633 is an apocalyptic number.

It is an amenable number.

142207633 is a deficient number, since it is larger than the sum of its proper divisors (4587375).

142207633 is an equidigital number, since it uses as much as digits as its factorization.

142207633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587374.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 142207633 is about 11925.0841925749. The cubic root of 142207633 is about 521.9645031474.

Adding to 142207633 its reverse (336702241), we get a palindrome (478909874).

The spelling of 142207633 in words is "one hundred forty-two million, two hundred seven thousand, six hundred thirty-three".