Search a number
-
+
145823983 is a prime number
BaseRepresentation
bin10001011000100…
…01100011101111
3101011101121220021
420230101203233
5244312331413
622245303011
73420324544
oct1054214357
9334347807
10145823983
117534a798
1240a04a67
13242991a6
141551cbcb
15cc0718d
hex8b118ef

145823983 has 2 divisors, whose sum is σ = 145823984. Its totient is φ = 145823982.

The previous prime is 145823971. The next prime is 145824013. The reversal of 145823983 is 389328541.

145823983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145823983 - 225 = 112269551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145823903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72911991 + 72911992.

It is an arithmetic number, because the mean of its divisors is an integer number (72911992).

Almost surely, 2145823983 is an apocalyptic number.

145823983 is a deficient number, since it is larger than the sum of its proper divisors (1).

145823983 is an equidigital number, since it uses as much as digits as its factorization.

145823983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 43.

The square root of 145823983 is about 12075.7601417054. The cubic root of 145823983 is about 526.3520500276.

The spelling of 145823983 in words is "one hundred forty-five million, eight hundred twenty-three thousand, nine hundred eighty-three".