142000994 has 16 divisors (see below), whose sum is σ = 223456320. Its totient is φ = 67584720.

The previous prime is 142000993. The next prime is 142000997. The reversal of 142000994 is 499000241.

It is a Harshad number since it is a multiple of its sum of digits (29).

142000994 is a modest number, since divided by 994 gives 142 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142000993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13124 + ... + 21359.

It is an arithmetic number, because the mean of its divisors is an integer number (13966020).

Almost surely, 2^142000994 is an apocalyptic number.

142000994 is a deficient number, since it is larger than the sum of its proper divisors (81455326).

142000994 is a wasteful number, since it uses less digits than its factorization.

142000994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34585.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 142000994 is about 11916.4169950535. The cubic root of 142000994 is about 521.7115619489.

The spelling of 142000994 in words is "one hundred forty-two million, nine hundred ninety-four", and thus it is an aban number.