1445432043 has 16 divisors (see below), whose sum is σ = 2111481216. Its totient is φ = 872255040.

The previous prime is 1445432039. The next prime is 1445432099. The reversal of 1445432043 is 3402345441.

It is not a de Polignac number, because 1445432043 - 2² = 1445432039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1445432043.

It is not an unprimeable number, because it can be changed into a prime (1445434043) 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 in 15 ways as a sum of consecutive naturals, for example, 86305 + ... + 101682.

It is an arithmetic number, because the mean of its divisors is an integer number (131967576).

Almost surely, 2^1445432043 is an apocalyptic number.

1445432043 is a deficient number, since it is larger than the sum of its proper divisors (666049173).

1445432043 is a wasteful number, since it uses less digits than its factorization.

1445432043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188234.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 1445432043 is about 38018.8380017065. The cubic root of 1445432043 is about 1130.6613829931.

Adding to 1445432043 its reverse (3402345441), we get a palindrome (4847777484).

The spelling of 1445432043 in words is "one billion, four hundred forty-five million, four hundred thirty-two thousand, forty-three".