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1442154913 is a prime number
BaseRepresentation
bin101010111110101…
…1000100110100001
310201111200001121221
41111331120212201
510423142424123
6355034215041
750511054163
oct12575304641
93644601557
101442154913
11680071371
12342b84481
1319ca1b104
14d9766933
158692025d
hex55f589a1

1442154913 has 2 divisors, whose sum is σ = 1442154914. Its totient is φ = 1442154912.

The previous prime is 1442154907. The next prime is 1442154943. The reversal of 1442154913 is 3194512441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1200414609 + 241740304 = 34647^2 + 15548^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442154913 - 229 = 905284001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442154943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721077456 + 721077457.

It is an arithmetic number, because the mean of its divisors is an integer number (721077457).

Almost surely, 21442154913 is an apocalyptic number.

It is an amenable number.

1442154913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442154913 is an equidigital number, since it uses as much as digits as its factorization.

1442154913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 1442154913 is about 37975.7147793165. The cubic root of 1442154913 is about 1129.8062457891.

The spelling of 1442154913 in words is "one billion, four hundred forty-two million, one hundred fifty-four thousand, nine hundred thirteen".