142145202 has 16 divisors (see below), whose sum is σ = 290339712. Its totient is φ = 46373520.

The previous prime is 142145197. The next prime is 142145203. The reversal of 142145202 is 202541241.

It is not an unprimeable number, because it can be changed into a prime (142145203) 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, 251749 + ... + 252312.

It is an arithmetic number, because the mean of its divisors is an integer number (18146232).

Almost surely, 2^142145202 is an apocalyptic number.

142145202 is an abundant number, since it is smaller than the sum of its proper divisors (148194510).

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

142145202 is a wasteful number, since it uses less digits than its factorization.

142145202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504113.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 142145202 is about 11922.4662717074. The cubic root of 142145202 is about 521.8881088990. Note that the first 3 decimals are identical.

Adding to 142145202 its reverse (202541241), we get a palindrome (344686443).

The spelling of 142145202 in words is "one hundred forty-two million, one hundred forty-five thousand, two hundred two".