43013542 has 48 divisors (see below), whose sum is σ = 79688448. Its totient is φ = 17228640.

The previous prime is 43013533. The next prime is 43013543. The reversal of 43013542 is 24531034.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43013543) 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 23 ways as a sum of consecutive naturals, for example, 85263 + ... + 85765.

It is an arithmetic number, because the mean of its divisors is an integer number (1660176).

Almost surely, 2^43013542 is an apocalyptic number.

43013542 is a deficient number, since it is larger than the sum of its proper divisors (36674906).

43013542 is a wasteful number, since it uses less digits than its factorization.

43013542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 43013542 is about 6558.4710108378. The cubic root of 43013542 is about 350.3765797108.

Adding to 43013542 its reverse (24531034), we get a palindrome (67544576).

The spelling of 43013542 in words is "forty-three million, thirteen thousand, five hundred forty-two".