142602147 has 16 divisors (see below), whose sum is σ = 216177280. Its totient is φ = 92856456.

The previous prime is 142602121. The next prime is 142602169. The reversal of 142602147 is 741206241.

142602147 is a `hidden beast` number, since 1 + 42 + 602 + 14 + 7 = 666.

It is not a de Polignac number, because 142602147 - 2¹¹ = 142600099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142602147.

It is not an unprimeable number, because it can be changed into a prime (142602547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60253 + ... + 62574.

It is an arithmetic number, because the mean of its divisors is an integer number (13511080).

Almost surely, 2^142602147 is an apocalyptic number.

142602147 is a deficient number, since it is larger than the sum of its proper divisors (73575133).

142602147 is a wasteful number, since it uses less digits than its factorization.

142602147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122879 (or 122873 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 142602147 is about 11941.6140868812. The cubic root of 142602147 is about 522.4467373956.

Adding to 142602147 its reverse (741206241), we get a palindrome (883808388).

The spelling of 142602147 in words is "one hundred forty-two million, six hundred two thousand, one hundred forty-seven".