142743250 has 64 divisors (see below), whose sum is σ = 290594304. Its totient is φ = 52190400.

The previous prime is 142743247. The next prime is 142743259. The reversal of 142743250 is 52347241.

142743250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142743259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 542619 + ... + 542881.

It is an arithmetic number, because the mean of its divisors is an integer number (4540536).

Almost surely, 2^142743250 is an apocalyptic number.

142743250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142743250 is an abundant number, since it is smaller than the sum of its proper divisors (147851054).

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

142743250 is a wasteful number, since it uses less digits than its factorization.

142743250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 142743250 is about 11947.5206633008. The cubic root of 142743250 is about 522.6189987121.

The spelling of 142743250 in words is "one hundred forty-two million, seven hundred forty-three thousand, two hundred fifty".