142734506 has 4 divisors (see below), whose sum is σ = 214101762. Its totient is φ = 71367252.

The previous prime is 142734503. The next prime is 142734521. The reversal of 142734506 is 605437241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 140304025 + 2430481 = 11845^2 + 1559^2 .

It is not an unprimeable number, because it can be changed into a prime (142734503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35683625 + ... + 35683628.

Almost surely, 2^142734506 is an apocalyptic number.

142734506 is a deficient number, since it is larger than the sum of its proper divisors (71367256).

142734506 is an equidigital number, since it uses as much as digits as its factorization.

142734506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71367255.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 142734506 is about 11947.1547240337. The cubic root of 142734506 is about 522.6083271652.

The spelling of 142734506 in words is "one hundred forty-two million, seven hundred thirty-four thousand, five hundred six".