243532942 has 4 divisors (see below), whose sum is σ = 365299416. Its totient is φ = 121766470.

The previous prime is 243532909. The next prime is 243532957. The reversal of 243532942 is 249235342.

243532942 is nontrivially palindromic in base 16.

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

It is a super-3 number, since 3×243532942³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243532898 and 243532907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60883234 + ... + 60883237.

It is an arithmetic number, because the mean of its divisors is an integer number (91324854).

Almost surely, 2^243532942 is an apocalyptic number.

243532942 is a deficient number, since it is larger than the sum of its proper divisors (121766474).

243532942 is a wasteful number, since it uses less digits than its factorization.

243532942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121766473.

The product of its digits is 51840, while the sum is 34.

The square root of 243532942 is about 15605.5420283949. The cubic root of 243532942 is about 624.4810130033.

The spelling of 243532942 in words is "two hundred forty-three million, five hundred thirty-two thousand, nine hundred forty-two".