43142552 has 8 divisors (see below), whose sum is σ = 80892300. Its totient is φ = 21571272.

The previous prime is 43142551. The next prime is 43142563. The reversal of 43142552 is 25524134.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×43142552² = 3722559586145408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43142551) 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 as a sum of consecutive naturals, namely, 2696402 + ... + 2696417.

Almost surely, 2^43142552 is an apocalyptic number.

It is an amenable number.

43142552 is a deficient number, since it is larger than the sum of its proper divisors (37749748).

43142552 is a wasteful number, since it uses less digits than its factorization.

43142552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392825 (or 5392821 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 43142552 is about 6568.2990187719. The cubic root of 43142552 is about 350.7265235056.

Adding to 43142552 its reverse (25524134), we get a palindrome (68666686).

The spelling of 43142552 in words is "forty-three million, one hundred forty-two thousand, five hundred fifty-two".