235642155 has 16 divisors (see below), whose sum is σ = 430888704. Its totient is φ = 107722080.

The previous prime is 235642133. The next prime is 235642157. The reversal of 235642155 is 551246532.

It is not a de Polignac number, because 235642155 - 2¹³ = 235633963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (235642157) 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, 1122001 + ... + 1122210.

It is an arithmetic number, because the mean of its divisors is an integer number (26930544).

Almost surely, 2^235642155 is an apocalyptic number.

235642155 is a deficient number, since it is larger than the sum of its proper divisors (195246549).

235642155 is a wasteful number, since it uses less digits than its factorization.

235642155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244226.

The product of its digits is 36000, while the sum is 33.

The square root of 235642155 is about 15350.6402146621. The cubic root of 235642155 is about 617.6621591640.

Adding to 235642155 its reverse (551246532), we get a palindrome (786888687).

The spelling of 235642155 in words is "two hundred thirty-five million, six hundred forty-two thousand, one hundred fifty-five".