142203340 has 12 divisors (see below), whose sum is σ = 298627056. Its totient is φ = 56881328.

The previous prime is 142203337. The next prime is 142203359. The reversal of 142203340 is 43302241.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3555064 + ... + 3555103.

It is an arithmetic number, because the mean of its divisors is an integer number (24885588).

Almost surely, 2^142203340 is an apocalyptic number.

142203340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142203340 is an abundant number, since it is smaller than the sum of its proper divisors (156423716).

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

142203340 is a wasteful number, since it uses less digits than its factorization.

142203340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110176 (or 7110174 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 142203340 is about 11924.9041924873. The cubic root of 142203340 is about 521.9592506957.

Adding to 142203340 its reverse (43302241), we get a palindrome (185505581).

The spelling of 142203340 in words is "one hundred forty-two million, two hundred three thousand, three hundred forty".