142100010 has 48 divisors (see below), whose sum is σ = 397883304. Its totient is φ = 34978176.

The previous prime is 142099999. The next prime is 142100011. The reversal of 142100010 is 10001241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 114126489 + 27973521 = 10683^2 + 5289^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 142099965 and 142100001.

It is not an unprimeable number, because it can be changed into a prime (142100011) 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 23 ways as a sum of consecutive naturals, for example, 59557 + ... + 61896.

Almost surely, 2^142100010 is an apocalyptic number.

142100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142100010 is an abundant number, since it is smaller than the sum of its proper divisors (255783294).

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

142100010 is a wasteful number, since it uses less digits than its factorization.

142100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121479 (or 121476 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 142100010 is about 11920.5708755915. The cubic root of 142100010 is about 521.8327953487.

Adding to 142100010 its reverse (10001241), we get a palindrome (152101251).

The spelling of 142100010 in words is "one hundred forty-two million, one hundred thousand, ten".