Search a number
-
+
45211457 is a prime number
BaseRepresentation
bin1010110001110…
…1111101000001
310011001222110102
42230131331001
543033231312
64253012145
71056201554
oct254357501
9104058412
1045211457
1123580045
1213184055
13949c955
14600c69b
153e80ec2
hex2b1df41

45211457 has 2 divisors, whose sum is σ = 45211458. Its totient is φ = 45211456.

The previous prime is 45211433. The next prime is 45211489. The reversal of 45211457 is 75411254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37834801 + 7376656 = 6151^2 + 2716^2 .

It is a cyclic number.

It is not a de Polignac number, because 45211457 - 216 = 45145921 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45211057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22605728 + 22605729.

It is an arithmetic number, because the mean of its divisors is an integer number (22605729).

Almost surely, 245211457 is an apocalyptic number.

It is an amenable number.

45211457 is a deficient number, since it is larger than the sum of its proper divisors (1).

45211457 is an equidigital number, since it uses as much as digits as its factorization.

45211457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5600, while the sum is 29.

The square root of 45211457 is about 6723.9465345882. The cubic root of 45211457 is about 356.2455933794.

The spelling of 45211457 in words is "forty-five million, two hundred eleven thousand, four hundred fifty-seven".