142934750 has 32 divisors (see below), whose sum is σ = 305802432. Its totient is φ = 49005600.

The previous prime is 142934731. The next prime is 142934761. The reversal of 142934750 is 57439241.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 142934750.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39089 + ... + 42588.

It is an arithmetic number, because the mean of its divisors is an integer number (9556326).

Almost surely, 2^142934750 is an apocalyptic number.

142934750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142934750 is an abundant number, since it is smaller than the sum of its proper divisors (162867682).

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

142934750 is an equidigital number, since it uses as much as digits as its factorization.

142934750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81701 (or 81691 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 142934750 is about 11955.5321922531. The cubic root of 142934750 is about 522.8526041917.

The spelling of 142934750 in words is "one hundred forty-two million, nine hundred thirty-four thousand, seven hundred fifty".