Search a number
-
+
1442145401 is a prime number
BaseRepresentation
bin101010111110101…
…0110010001111001
310201111122120120122
41111331112101321
510423142123101
6355034103025
750511014354
oct12575262171
93644576518
101442145401
11680065204
12342b7aa75
1319ca16998
14d976329b
158691c51b
hex55f56479

1442145401 has 2 divisors, whose sum is σ = 1442145402. Its totient is φ = 1442145400.

The previous prime is 1442145373. The next prime is 1442145413. The reversal of 1442145401 is 1045412441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1083989776 + 358155625 = 32924^2 + 18925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442145401 - 210 = 1442144377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442145421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721072700 + 721072701.

It is an arithmetic number, because the mean of its divisors is an integer number (721072701).

Almost surely, 21442145401 is an apocalyptic number.

It is an amenable number.

1442145401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442145401 is an equidigital number, since it uses as much as digits as its factorization.

1442145401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1442145401 is about 37975.5895411776. The cubic root of 1442145401 is about 1129.8037618348.

Adding to 1442145401 its reverse (1045412441), we get a palindrome (2487557842).

The spelling of 1442145401 in words is "one billion, four hundred forty-two million, one hundred forty-five thousand, four hundred one".