142253340 has 24 divisors (see below), whose sum is σ = 398309520. Its totient is φ = 37934208.

The previous prime is 142253333. The next prime is 142253341. The reversal of 142253340 is 43352241.

142253340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142253340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142253341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185385 + ... + 1185504.

It is an arithmetic number, because the mean of its divisors is an integer number (16596230).

Almost surely, 2^142253340 is an apocalyptic number.

142253340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142253340 is an abundant number, since it is smaller than the sum of its proper divisors (256056180).

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

142253340 is a wasteful number, since it uses less digits than its factorization.

142253340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370901 (or 2370899 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 142253340 is about 11927.0004611386. Note that the first 3 decimals coincide. The cubic root of 142253340 is about 522.0204187489.

The spelling of 142253340 in words is "one hundred forty-two million, two hundred fifty-three thousand, three hundred forty".