Search a number
-
+
145206541 is a prime number
BaseRepresentation
bin10001010011110…
…10110100001101
3101010020020221001
420221322310031
5244133102131
622224140301
73412143454
oct1051726415
9333206831
10145206541
1174a68907
1240767691
132411113c
14153dbb9b
15cb34261
hex8a7ad0d

145206541 has 2 divisors, whose sum is σ = 145206542. Its totient is φ = 145206540.

The previous prime is 145206527. The next prime is 145206559. The reversal of 145206541 is 145602541.

145206541 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 can be written as a sum of positive squares in only one way, i.e., 107433225 + 37773316 = 10365^2 + 6146^2 .

It is a cyclic number.

It is not a de Polignac number, because 145206541 - 215 = 145173773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145206041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72603270 + 72603271.

It is an arithmetic number, because the mean of its divisors is an integer number (72603271).

Almost surely, 2145206541 is an apocalyptic number.

It is an amenable number.

145206541 is a deficient number, since it is larger than the sum of its proper divisors (1).

145206541 is an equidigital number, since it uses as much as digits as its factorization.

145206541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 145206541 is about 12050.1676751820. The cubic root of 145206541 is about 525.6081128806.

The spelling of 145206541 in words is "one hundred forty-five million, two hundred six thousand, five hundred forty-one".