142765245 has 48 divisors (see below), whose sum is σ = 286440960. Its totient is φ = 64426752.

The previous prime is 142765243. The next prime is 142765253. The reversal of 142765245 is 542567241.

It is a happy number.

It is not a de Polignac number, because 142765245 - 2¹ = 142765243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142765243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22017 + ... + 27753.

It is an arithmetic number, because the mean of its divisors is an integer number (5967520).

Almost surely, 2^142765245 is an apocalyptic number.

142765245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142765245 is an abundant number, since it is smaller than the sum of its proper divisors (143675715).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142765245 is a wasteful number, since it uses less digits than its factorization.

142765245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834 (or 5831 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 142765245 is about 11948.4411117099. The cubic root of 142765245 is about 522.6458404122.

The spelling of 142765245 in words is "one hundred forty-two million, seven hundred sixty-five thousand, two hundred forty-five".