43142342 has 8 divisors (see below), whose sum is σ = 67527216. Its totient is φ = 20633272.

The previous prime is 43142317. The next prime is 43142347. The reversal of 43142342 is 24324134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×43142342² = 3722523346489928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43142347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468893 + ... + 468984.

It is an arithmetic number, because the mean of its divisors is an integer number (8440902).

Almost surely, 2^43142342 is an apocalyptic number.

43142342 is a deficient number, since it is larger than the sum of its proper divisors (24384874).

43142342 is a wasteful number, since it uses less digits than its factorization.

43142342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937902.

The product of its digits is 2304, while the sum is 23.

The square root of 43142342 is about 6568.2830328785. The cubic root of 43142342 is about 350.7259544410.

Adding to 43142342 its reverse (24324134), we get a palindrome (67466476).

The spelling of 43142342 in words is "forty-three million, one hundred forty-two thousand, three hundred forty-two".