142057100 has 36 divisors (see below), whose sum is σ = 326400984. Its totient is φ = 53479680.

The previous prime is 142057099. The next prime is 142057103. The reversal of 142057100 is 1750241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (142057103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40082 + ... + 43481.

It is an arithmetic number, because the mean of its divisors is an integer number (9066694).

Almost surely, 2^142057100 is an apocalyptic number.

142057100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142057100 is an abundant number, since it is smaller than the sum of its proper divisors (184343884).

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

142057100 is a wasteful number, since it uses less digits than its factorization.

142057100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83594 (or 83587 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 142057100 is about 11918.7709097876. The cubic root of 142057100 is about 521.7802640376.

The spelling of 142057100 in words is "one hundred forty-two million, fifty-seven thousand, one hundred".