Search a number
-
+
145883519 is a prime number
BaseRepresentation
bin10001011001000…
…00000101111111
3101011111122120022
420230200011333
5244321233034
622250442355
73420663245
oct1054400577
9334448508
10145883519
11753904a1
1240a333bb
13242ba312
1415536795
15cc19b2e
hex8b2017f

145883519 has 2 divisors, whose sum is σ = 145883520. Its totient is φ = 145883518.

The previous prime is 145883497. The next prime is 145883557. The reversal of 145883519 is 915388541.

It is a weak prime.

It is an emirp because it is prime and its reverse (915388541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145883519 - 212 = 145879423 is a prime.

It is a super-2 number, since 2×1458835192 = 42564002231646722, which contains 22 as substring.

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 145883519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145882519) 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, 72941759 + 72941760.

It is an arithmetic number, because the mean of its divisors is an integer number (72941760).

Almost surely, 2145883519 is an apocalyptic number.

145883519 is a deficient number, since it is larger than the sum of its proper divisors (1).

145883519 is an equidigital number, since it uses as much as digits as its factorization.

145883519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 44.

The square root of 145883519 is about 12078.2249937646. The cubic root of 145883519 is about 526.4236720642.

The spelling of 145883519 in words is "one hundred forty-five million, eight hundred eighty-three thousand, five hundred nineteen".