45134153221 has 2 divisors, whose sum is σ = 45134153222. Its totient is φ = 45134153220.

The previous prime is 45134153209. The next prime is 45134153249. The reversal of 45134153221 is 12235143154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41082830721 + 4051322500 = 202689^2 + 63650^2 .

It is a cyclic number.

It is not a de Polignac number, because 45134153221 - 2⁵ = 45134153189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45134151221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22567076610 + 22567076611.

It is an arithmetic number, because the mean of its divisors is an integer number (22567076611).

Almost surely, 2^45134153221 is an apocalyptic number.

It is an amenable number.

45134153221 is a deficient number, since it is larger than the sum of its proper divisors (1).

45134153221 is an equidigital number, since it uses as much as digits as its factorization.

45134153221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

Adding to 45134153221 its reverse (12235143154), we get a palindrome (57369296375).

The spelling of 45134153221 in words is "forty-five billion, one hundred thirty-four million, one hundred fifty-three thousand, two hundred twenty-one".