142100650 has 24 divisors (see below), whose sum is σ = 264670560. Its totient is φ = 56762160.

The previous prime is 142100633. The next prime is 142100657. The reversal of 142100650 is 56001241.

It is not an unprimeable number, because it can be changed into a prime (142100657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46881 + ... + 49819.

It is an arithmetic number, because the mean of its divisors is an integer number (11027940).

Almost surely, 2^142100650 is an apocalyptic number.

142100650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142100650 is a deficient number, since it is larger than the sum of its proper divisors (122569910).

142100650 is a wasteful number, since it uses less digits than its factorization.

142100650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918 (or 3913 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 142100650 is about 11920.5977199132. The cubic root of 142100650 is about 521.8335787699.

Adding to 142100650 its reverse (56001241), we get a palindrome (198101891).

The spelling of 142100650 in words is "one hundred forty-two million, one hundred thousand, six hundred fifty".