142769429 has 16 divisors (see below), whose sum is σ = 158839296. Its totient is φ = 127234800.

The previous prime is 142769423. The next prime is 142769449. The reversal of 142769429 is 924967241.

It is not a de Polignac number, because 142769429 - 2⁴ = 142769413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142769429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142769423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225944 + ... + 226574.

It is an arithmetic number, because the mean of its divisors is an integer number (9927456).

Almost surely, 2^142769429 is an apocalyptic number.

It is an amenable number.

142769429 is a deficient number, since it is larger than the sum of its proper divisors (16069867).

142769429 is a wasteful number, since it uses less digits than its factorization.

142769429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its digits is 217728, while the sum is 44.

The square root of 142769429 is about 11948.6161960287. The cubic root of 142769429 is about 522.6509460638.

The spelling of 142769429 in words is "one hundred forty-two million, seven hundred sixty-nine thousand, four hundred twenty-nine".