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145793311 is a prime number
BaseRepresentation
bin10001011000010…
…10000100011111
3101011100001211021
420230022010133
5244310341221
622244505011
73420136246
oct1054120437
9334301737
10145793311
1175329744
12409ab167
1324288241
141551195d
15cbed041
hex8b0a11f

145793311 has 2 divisors, whose sum is σ = 145793312. Its totient is φ = 145793310.

The previous prime is 145793299. The next prime is 145793339. The reversal of 145793311 is 113397541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145793311 - 221 = 143696159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145793381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72896655 + 72896656.

It is an arithmetic number, because the mean of its divisors is an integer number (72896656).

Almost surely, 2145793311 is an apocalyptic number.

145793311 is a deficient number, since it is larger than the sum of its proper divisors (1).

145793311 is an equidigital number, since it uses as much as digits as its factorization.

145793311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 34.

The square root of 145793311 is about 12074.4900927534. The cubic root of 145793311 is about 526.3151438850.

The spelling of 145793311 in words is "one hundred forty-five million, seven hundred ninety-three thousand, three hundred eleven".