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1442403341 is a prime number
BaseRepresentation
bin101010111111001…
…0101010000001101
310201112010200101222
41111332111100031
510423223401331
6355043413125
750513140361
oct12576252015
93645120358
101442403341
11680220a85
123430841a5
1319caa7202
14d97cd2a1
158696db7b
hex55f9540d

1442403341 has 2 divisors, whose sum is σ = 1442403342. Its totient is φ = 1442403340.

The previous prime is 1442403317. The next prime is 1442403343. The reversal of 1442403341 is 1433042441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1322413225 + 119990116 = 36365^2 + 10954^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442403341 - 222 = 1438209037 is a prime.

It is a super-4 number, since 4×14424033414 (a number of 38 digits) contains 4444 as substring.

Together with 1442403343, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1442403341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442403343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721201670 + 721201671.

It is an arithmetic number, because the mean of its divisors is an integer number (721201671).

Almost surely, 21442403341 is an apocalyptic number.

It is an amenable number.

1442403341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442403341 is an equidigital number, since it uses as much as digits as its factorization.

1442403341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1442403341 is about 37978.9855183100. The cubic root of 1442403341 is about 1129.8711161643.

Adding to 1442403341 its reverse (1433042441), we get a palindrome (2875445782).

The spelling of 1442403341 in words is "one billion, four hundred forty-two million, four hundred three thousand, three hundred forty-one".