Search a number
-
+
457755143 is a prime number
BaseRepresentation
bin11011010010001…
…100101000000111
31011220100101000012
4123102030220013
51414141131033
6113231140435
714225566046
oct3322145007
91156311005
10457755143
1121543323a
1210937471b
1373ab3841
1444b1a55d
152a2c1248
hex1b48ca07

457755143 has 2 divisors, whose sum is σ = 457755144. Its totient is φ = 457755142.

The previous prime is 457755121. The next prime is 457755149. The reversal of 457755143 is 341557754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 457755143 - 26 = 457755079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 457755143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457755149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228877571 + 228877572.

It is an arithmetic number, because the mean of its divisors is an integer number (228877572).

Almost surely, 2457755143 is an apocalyptic number.

457755143 is a deficient number, since it is larger than the sum of its proper divisors (1).

457755143 is an equidigital number, since it uses as much as digits as its factorization.

457755143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294000, while the sum is 41.

The square root of 457755143 is about 21395.2130861088. The cubic root of 457755143 is about 770.6864867917.

The spelling of 457755143 in words is "four hundred fifty-seven million, seven hundred fifty-five thousand, one hundred forty-three".