142098806 has 4 divisors (see below), whose sum is σ = 213148212. Its totient is φ = 71049402.

The previous prime is 142098793. The next prime is 142098809. The reversal of 142098806 is 608890241.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 142098806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142098809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35524700 + ... + 35524703.

It is an arithmetic number, because the mean of its divisors is an integer number (53287053).

Almost surely, 2^142098806 is an apocalyptic number.

142098806 is a deficient number, since it is larger than the sum of its proper divisors (71049406).

142098806 is an equidigital number, since it uses as much as digits as its factorization.

142098806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71049405.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 142098806 is about 11920.5203745474. The cubic root of 142098806 is about 521.8313215312.

The spelling of 142098806 in words is "one hundred forty-two million, ninety-eight thousand, eight hundred six".