142349718 has 16 divisors (see below), whose sum is σ = 325370880. Its totient is φ = 40671336.

The previous prime is 142349717. The next prime is 142349723. The reversal of 142349718 is 817943241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142349717) 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, 1694598 + ... + 1694681.

It is an arithmetic number, because the mean of its divisors is an integer number (20335680).

Almost surely, 2^142349718 is an apocalyptic number.

142349718 is an abundant number, since it is smaller than the sum of its proper divisors (183021162).

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

142349718 is a wasteful number, since it uses less digits than its factorization.

142349718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389291.

The product of its digits is 48384, while the sum is 39.

The square root of 142349718 is about 11931.0401055398. The cubic root of 142349718 is about 522.1382834122.

The spelling of 142349718 in words is "one hundred forty-two million, three hundred forty-nine thousand, seven hundred eighteen".