142343321452 has 48 divisors (see below), whose sum is σ = 271501433280. Its totient is φ = 65025718272.

The previous prime is 142343321437. The next prime is 142343321467. The reversal of 142343321452 is 254123343241.

It is an interprime number because it is at equal distance from previous prime (142343321437) and next prime (142343321467).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040088 + ... + 1168960.

It is an arithmetic number, because the mean of its divisors is an integer number (5656279860).

Almost surely, 2^142343321452 is an apocalyptic number.

It is an amenable number.

142343321452 is a deficient number, since it is larger than the sum of its proper divisors (129158111828).

142343321452 is a wasteful number, since it uses less digits than its factorization.

142343321452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129370 (or 129368 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

Adding to 142343321452 its reverse (254123343241), we get a palindrome (396466664693).

The spelling of 142343321452 in words is "one hundred forty-two billion, three hundred forty-three million, three hundred twenty-one thousand, four hundred fifty-two".