142661112 has 32 divisors (see below), whose sum is σ = 389076480. Its totient is φ = 43230560.

The previous prime is 142661089. The next prime is 142661119. The reversal of 142661112 is 211166241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142661119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269928 + ... + 270455.

It is an arithmetic number, because the mean of its divisors is an integer number (12158640).

Almost surely, 2^142661112 is an apocalyptic number.

142661112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142661112 is an abundant number, since it is smaller than the sum of its proper divisors (246415368).

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

142661112 is a wasteful number, since it uses less digits than its factorization.

142661112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540403 (or 540399 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 142661112 is about 11944.0827190706. The cubic root of 142661112 is about 522.5187368417.

The spelling of 142661112 in words is "one hundred forty-two million, six hundred sixty-one thousand, one hundred twelve".