235646042 has 4 divisors (see below), whose sum is σ = 353469066. Its totient is φ = 117823020.

The previous prime is 235646041. The next prime is 235646053. The reversal of 235646042 is 240646532.

235646042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 183358681 + 52287361 = 13541^2 + 7231^2 .

It is a super-2 number, since 2×235646042² = 111058114220531528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (235646041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58911509 + ... + 58911512.

Almost surely, 2^235646042 is an apocalyptic number.

235646042 is a deficient number, since it is larger than the sum of its proper divisors (117823024).

235646042 is a wasteful number, since it uses less digits than its factorization.

235646042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117823023.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 235646042 is about 15350.7668212373. The cubic root of 235646042 is about 617.6655553299.

The spelling of 235646042 in words is "two hundred thirty-five million, six hundred forty-six thousand, forty-two".