155842135 has 16 divisors (see below), whose sum is σ = 195955200. Its totient is φ = 118756000.

The previous prime is 155842109. The next prime is 155842151. The reversal of 155842135 is 531248551.

It is a de Polignac number, because none of the positive numbers 2^k-155842135 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155842135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26166 + ... + 31564.

It is an arithmetic number, because the mean of its divisors is an integer number (12247200).

Almost surely, 2^155842135 is an apocalyptic number.

155842135 is a deficient number, since it is larger than the sum of its proper divisors (40113065).

155842135 is a wasteful number, since it uses less digits than its factorization.

155842135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678.

The product of its digits is 24000, while the sum is 34.

The square root of 155842135 is about 12483.6747394347. The cubic root of 155842135 is about 538.1396142685.

The spelling of 155842135 in words is "one hundred fifty-five million, eight hundred forty-two thousand, one hundred thirty-five".