142201100 has 18 divisors (see below), whose sum is σ = 308576604. Its totient is φ = 56880400.

The previous prime is 142201093. The next prime is 142201109. The reversal of 142201100 is 1102241.

It is not an unprimeable number, because it can be changed into a prime (142201109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 710906 + ... + 711105.

Almost surely, 2^142201100 is an apocalyptic number.

142201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142201100 is an abundant number, since it is smaller than the sum of its proper divisors (166375504).

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

142201100 is a wasteful number, since it uses less digits than its factorization.

142201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422025 (or 1422018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 142201100 is about 11924.8102710274. The cubic root of 142201100 is about 521.9565100314.

Adding to 142201100 its reverse (1102241), we get a palindrome (143303341).

The spelling of 142201100 in words is "one hundred forty-two million, two hundred one thousand, one hundred".