142166100 has 36 divisors (see below), whose sum is σ = 411334784. Its totient is φ = 37910880.

The previous prime is 142166081. The next prime is 142166107. The reversal of 142166100 is 1661241.

It is a super-2 number, since 2×142166100² = 40422399978420000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142166107) 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, 236644 + ... + 237243.

Almost surely, 2^142166100 is an apocalyptic number.

142166100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142166100 is an abundant number, since it is smaller than the sum of its proper divisors (269168684).

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

142166100 is a wasteful number, since it uses less digits than its factorization.

142166100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473904 (or 473897 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 142166100 is about 11923.3426521257. The cubic root of 142166100 is about 521.9136834127.

The spelling of 142166100 in words is "one hundred forty-two million, one hundred sixty-six thousand, one hundred".