142729605 has 48 divisors (see below), whose sum is σ = 259683840. Its totient is φ = 72382464.

The previous prime is 142729591. The next prime is 142729607. The reversal of 142729605 is 506927241.

142729605 is a `hidden beast` number, since 1 + 4 + 27 + 29 + 605 = 666.

It is not a de Polignac number, because 142729605 - 2¹⁰ = 142728581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142729605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142729607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 247077 + ... + 247653.

It is an arithmetic number, because the mean of its divisors is an integer number (5410080).

Almost surely, 2^142729605 is an apocalyptic number.

142729605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142729605 is a deficient number, since it is larger than the sum of its proper divisors (116954235).

142729605 is a wasteful number, since it uses less digits than its factorization.

142729605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 142729605 is about 11946.9496106747. The cubic root of 142729605 is about 522.6023455873.

The spelling of 142729605 in words is "one hundred forty-two million, seven hundred twenty-nine thousand, six hundred five".