142619808 has 96 divisors (see below), whose sum is σ = 388475136. Its totient is φ = 45785088.

The previous prime is 142619797. The next prime is 142619819. The reversal of 142619808 is 808916241.

It is an interprime number because it is at equal distance from previous prime (142619797) and next prime (142619819).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329160 + ... + 329592.

It is an arithmetic number, because the mean of its divisors is an integer number (4046616).

Almost surely, 2^142619808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142619808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194237568).

142619808 is an abundant number, since it is smaller than the sum of its proper divisors (245855328).

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

142619808 is a wasteful number, since it uses less digits than its factorization.

142619808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 142619808 is about 11942.3535368871. The cubic root of 142619808 is about 522.4683045111.

The spelling of 142619808 in words is "one hundred forty-two million, six hundred nineteen thousand, eight hundred eight".