43430145 has 16 divisors (see below), whose sum is σ = 75805632. Its totient is φ = 21056960.

The previous prime is 43430113. The next prime is 43430147. The reversal of 43430145 is 54103434.

It is not a de Polignac number, because 43430145 - 2⁵ = 43430113 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (43430147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131442 + ... + 131771.

It is an arithmetic number, because the mean of its divisors is an integer number (4737852).

Almost surely, 2^43430145 is an apocalyptic number.

It is an amenable number.

43430145 is a deficient number, since it is larger than the sum of its proper divisors (32375487).

43430145 is a wasteful number, since it uses less digits than its factorization.

43430145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263232.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 43430145 is about 6590.1551575058. The cubic root of 43430145 is about 351.5041253992.

Adding to 43430145 its reverse (54103434), we get a palindrome (97533579).

Subtracting 43430145 from its reverse (54103434), we obtain a square (10673289 = 3267²).

The spelling of 43430145 in words is "forty-three million, four hundred thirty thousand, one hundred forty-five".