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145845211 is a prime number
BaseRepresentation
bin10001011000101…
…10101111011011
3101011102201000111
420230112233123
5244314021321
622245545151
73420443461
oct1054265733
9334381014
10145845211
1175364736
1240a151b7
13242a5a55
1415526831
15cc0d5e1
hex8b16bdb

145845211 has 2 divisors, whose sum is σ = 145845212. Its totient is φ = 145845210.

The previous prime is 145845199. The next prime is 145845221. The reversal of 145845211 is 112548541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145845211 - 25 = 145845179 is a prime.

It is not a weakly prime, because it can be changed into another prime (145845221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72922605 + 72922606.

It is an arithmetic number, because the mean of its divisors is an integer number (72922606).

Almost surely, 2145845211 is an apocalyptic number.

145845211 is a deficient number, since it is larger than the sum of its proper divisors (1).

145845211 is an equidigital number, since it uses as much as digits as its factorization.

145845211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 31.

The square root of 145845211 is about 12076.6390605996. The cubic root of 145845211 is about 526.3775896289.

The spelling of 145845211 in words is "one hundred forty-five million, eight hundred forty-five thousand, two hundred eleven".