142426605 has 16 divisors (see below), whose sum is σ = 228055680. Its totient is φ = 75903168.

The previous prime is 142426601. The next prime is 142426607. The reversal of 142426605 is 506624241.

It is not a de Polignac number, because 142426605 - 2² = 142426601 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142426601) 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, 23256 + ... + 28734.

It is an arithmetic number, because the mean of its divisors is an integer number (14253480).

Almost surely, 2^142426605 is an apocalyptic number.

142426605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142426605 is a deficient number, since it is larger than the sum of its proper divisors (85629075).

142426605 is a wasteful number, since it uses less digits than its factorization.

142426605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7220.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 142426605 is about 11934.2618121105. The cubic root of 142426605 is about 522.2322735771.

The spelling of 142426605 in words is "one hundred forty-two million, four hundred twenty-six thousand, six hundred five".