235143542 has 16 divisors (see below), whose sum is σ = 367308000. Its totient is φ = 112761600.

The previous prime is 235143539. The next prime is 235143553. The reversal of 235143542 is 245341532.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4667 + ... + 22182.

It is an arithmetic number, because the mean of its divisors is an integer number (22956750).

Almost surely, 2^235143542 is an apocalyptic number.

235143542 is a deficient number, since it is larger than the sum of its proper divisors (132164458).

235143542 is a wasteful number, since it uses less digits than its factorization.

235143542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27031.

The product of its digits is 14400, while the sum is 29.

The square root of 235143542 is about 15334.3908258528. The cubic root of 235143542 is about 617.2261988835.

The spelling of 235143542 in words is "two hundred thirty-five million, one hundred forty-three thousand, five hundred forty-two".