142303645 has 48 divisors (see below), whose sum is σ = 200354112. Its totient is φ = 96180480.

The previous prime is 142303619. The next prime is 142303657. The reversal of 142303645 is 546303241.

It is not a de Polignac number, because 142303645 - 2¹¹ = 142301597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1949329 + ... + 1949401.

It is an arithmetic number, because the mean of its divisors is an integer number (4174044).

Almost surely, 2^142303645 is an apocalyptic number.

It is an amenable number.

142303645 is a deficient number, since it is larger than the sum of its proper divisors (58050467).

142303645 is a wasteful number, since it uses less digits than its factorization.

142303645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 142303645 is about 11929.1091452799. The cubic root of 142303645 is about 522.0819454643.

Adding to 142303645 its reverse (546303241), we get a palindrome (688606886).

The spelling of 142303645 in words is "one hundred forty-two million, three hundred three thousand, six hundred forty-five".