1043220145 has 8 divisors (see below), whose sum is σ = 1365670080. Its totient is φ = 758705520.

The previous prime is 1043220127. The next prime is 1043220149. The reversal of 1043220145 is 5410223401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1043220145 - 2⁹ = 1043219633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1043220149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9483765 + ... + 9483874.

It is an arithmetic number, because the mean of its divisors is an integer number (170708760).

Almost surely, 2^1043220145 is an apocalyptic number.

It is an amenable number.

1043220145 is a deficient number, since it is larger than the sum of its proper divisors (322449935).

1043220145 is a wasteful number, since it uses less digits than its factorization.

1043220145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18967655.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1043220145 is about 32298.9186351494. The cubic root of 1043220145 is about 1014.2040059769.

Adding to 1043220145 its reverse (5410223401), we get a palindrome (6453443546).

The spelling of 1043220145 in words is "one billion, forty-three million, two hundred twenty thousand, one hundred forty-five".