142229803 has 4 divisors (see below), whose sum is σ = 150596280. Its totient is φ = 133863328.

The previous prime is 142229777. The next prime is 142229807. The reversal of 142229803 is 308922241.

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

It is a cyclic number.

It is not a de Polignac number, because 142229803 - 2⁵ = 142229771 is a prime.

It is a super-2 number, since 2×142229803² = 40458633722837618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142229807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4183213 + ... + 4183246.

It is an arithmetic number, because the mean of its divisors is an integer number (37649070).

Almost surely, 2^142229803 is an apocalyptic number.

142229803 is a deficient number, since it is larger than the sum of its proper divisors (8366477).

142229803 is an equidigital number, since it uses as much as digits as its factorization.

142229803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8366476.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 142229803 is about 11926.0137095343. The cubic root of 142229803 is about 521.9916262853.

It can be divided in two parts, 14222 and 9803, that added together give a square (24025 = 155²).

The spelling of 142229803 in words is "one hundred forty-two million, two hundred twenty-nine thousand, eight hundred three".