142242184 has 32 divisors (see below), whose sum is σ = 305282880. Its totient is φ = 60865344.

The previous prime is 142242173. The next prime is 142242211. The reversal of 142242184 is 481242241.

It is a Harshad number since it is a multiple of its sum of digits (28).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43039 + ... + 46225.

It is an arithmetic number, because the mean of its divisors is an integer number (9540090).

Almost surely, 2^142242184 is an apocalyptic number.

142242184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142242184 is an abundant number, since it is smaller than the sum of its proper divisors (163040696).

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

142242184 is a wasteful number, since it uses less digits than its factorization.

142242184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997 (or 3993 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

The square root of 142242184 is about 11926.5327736103. The cubic root of 142242184 is about 522.0067721752.

142242184 divided by its sum of digits (28) gives a triangular number (5080078 = T₃₁₈₇).

The spelling of 142242184 in words is "one hundred forty-two million, two hundred forty-two thousand, one hundred eighty-four".