142061100 has 72 divisors (see below), whose sum is σ = 432680640. Its totient is φ = 35887680.

The previous prime is 142061099. The next prime is 142061107. The reversal of 142061100 is 1160241.

It is a super-2 number, since 2×142061100² = 40362712266420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 142061100.

It is not an unprimeable number, because it can be changed into a prime (142061107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6762 + ... + 18161.

Almost surely, 2^142061100 is an apocalyptic number.

142061100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142061100 is an abundant number, since it is smaller than the sum of its proper divisors (290619540).

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

142061100 is a wasteful number, since it uses less digits than its factorization.

142061100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24959 (or 24952 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 142061100 is about 11918.9387111437. The cubic root of 142061100 is about 521.7851613675.

The spelling of 142061100 in words is "one hundred forty-two million, sixty-one thousand, one hundred".