Search a number
-
+
1442356133 is a prime number
BaseRepresentation
bin101010111111000…
…1001101110100101
310201112001021122112
41111332021232211
510423220344013
6355042410405
750512552631
oct12576115645
93645037575
101442356133
11680199569
12343060a05
1319ca8b88a
14d97b9dc1
158695eba8
hex55f89ba5

1442356133 has 2 divisors, whose sum is σ = 1442356134. Its totient is φ = 1442356132.

The previous prime is 1442356117. The next prime is 1442356213. The reversal of 1442356133 is 3316532441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1187698369 + 254657764 = 34463^2 + 15958^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442356133 - 24 = 1442356117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442356133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442356033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721178066 + 721178067.

It is an arithmetic number, because the mean of its divisors is an integer number (721178067).

Almost surely, 21442356133 is an apocalyptic number.

It is an amenable number.

1442356133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442356133 is an equidigital number, since it uses as much as digits as its factorization.

1442356133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 1442356133 is about 37978.3640116317. The cubic root of 1442356133 is about 1129.8587896220.

Adding to 1442356133 its reverse (3316532441), we get a palindrome (4758888574).

The spelling of 1442356133 in words is "one billion, four hundred forty-two million, three hundred fifty-six thousand, one hundred thirty-three".