235442042 has 12 divisors (see below), whose sum is σ = 388187898. Its totient is φ = 107019000.

The previous prime is 235442023. The next prime is 235442057. The reversal of 235442042 is 240244532.

It is a happy number.

235442042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 216943441 + 18498601 = 14729^2 + 4301^2 .

It is a super-2 number, since 2×235442042² = 110865910282259528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 486209 + ... + 486692.

Almost surely, 2^235442042 is an apocalyptic number.

235442042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

235442042 is a deficient number, since it is larger than the sum of its proper divisors (152745856).

235442042 is a wasteful number, since it uses less digits than its factorization.

235442042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972925 (or 972914 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 235442042 is about 15344.1207633412. The cubic root of 235442042 is about 617.4872651135.

Adding to 235442042 its reverse (240244532), we get a palindrome (475686574).

The spelling of 235442042 in words is "two hundred thirty-five million, four hundred forty-two thousand, forty-two".