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146220539 is a prime number
BaseRepresentation
bin10001011011100…
…10010111111011
3101012010202212112
420231302113323
5244413024124
622302002535
73423565643
oct1055622773
9335122775
10146220539
11755a0723
1240b7644b
13243a783a
14155c3523
15cc8490e
hex8b725fb

146220539 has 2 divisors, whose sum is σ = 146220540. Its totient is φ = 146220538.

The previous prime is 146220527. The next prime is 146220563. The reversal of 146220539 is 935022641.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146220539 - 220 = 145171963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146220509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73110269 + 73110270.

It is an arithmetic number, because the mean of its divisors is an integer number (73110270).

Almost surely, 2146220539 is an apocalyptic number.

146220539 is a deficient number, since it is larger than the sum of its proper divisors (1).

146220539 is an equidigital number, since it uses as much as digits as its factorization.

146220539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 146220539 is about 12092.1684986606. The cubic root of 146220539 is about 526.8287414891.

The spelling of 146220539 in words is "one hundred forty-six million, two hundred twenty thousand, five hundred thirty-nine".