43245542 has 4 divisors (see below), whose sum is σ = 64868316. Its totient is φ = 21622770.

The previous prime is 43245533. The next prime is 43245547. The reversal of 43245542 is 24554234.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43245547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10811384 + ... + 10811387.

It is an arithmetic number, because the mean of its divisors is an integer number (16217079).

Almost surely, 2^43245542 is an apocalyptic number.

43245542 is a deficient number, since it is larger than the sum of its proper divisors (21622774).

43245542 is a wasteful number, since it uses less digits than its factorization.

43245542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21622773.

The product of its digits is 19200, while the sum is 29.

The square root of 43245542 is about 6576.1342747848. The cubic root of 43245542 is about 351.0053867784.

Adding to 43245542 its reverse (24554234), we get a palindrome (67799776).

The spelling of 43245542 in words is "forty-three million, two hundred forty-five thousand, five hundred forty-two".