434221145 has 16 divisors (see below), whose sum is σ = 527815440. Its totient is φ = 342902784.

The previous prime is 434221141. The next prime is 434221189. The reversal of 434221145 is 541122434.

It can be written as a sum of positive squares in 8 ways, for example, as 126990361 + 307230784 = 11269^2 + 17528^2 .

It is a cyclic number.

It is not a de Polignac number, because 434221145 - 2² = 434221141 is a prime.

It is a super-2 number, since 2×434221145² = 377096005530222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (434221141) 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, 150557 + ... + 153413.

It is an arithmetic number, because the mean of its divisors is an integer number (32988465).

Almost surely, 2^434221145 is an apocalyptic number.

It is an amenable number.

434221145 is a deficient number, since it is larger than the sum of its proper divisors (93594295).

434221145 is a wasteful number, since it uses less digits than its factorization.

434221145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244.

The product of its digits is 3840, while the sum is 26.

The square root of 434221145 is about 20837.9736298902. The cubic root of 434221145 is about 757.2460025527.

Adding to 434221145 its reverse (541122434), we get a palindrome (975343579).

The spelling of 434221145 in words is "four hundred thirty-four million, two hundred twenty-one thousand, one hundred forty-five".