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145289107 is a prime number
BaseRepresentation
bin10001010100011…
…10111110010011
3101010101110012001
420222032332103
5244143222412
622230014431
73412636255
oct1052167623
9333343161
10145289107
1175014947
12407a7417
132413c8b2
141541dcd5
15cb4d957
hex8a8ef93

145289107 has 2 divisors, whose sum is σ = 145289108. Its totient is φ = 145289106.

The previous prime is 145289099. The next prime is 145289113. The reversal of 145289107 is 701982541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145289107 - 23 = 145289099 is a prime.

It is a super-2 number, since 2×1452891072 = 42217849225714898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145289167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72644553 + 72644554.

It is an arithmetic number, because the mean of its divisors is an integer number (72644554).

Almost surely, 2145289107 is an apocalyptic number.

145289107 is a deficient number, since it is larger than the sum of its proper divisors (1).

145289107 is an equidigital number, since it uses as much as digits as its factorization.

145289107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 145289107 is about 12053.5931157477. The cubic root of 145289107 is about 525.7077161453.

The spelling of 145289107 in words is "one hundred forty-five million, two hundred eighty-nine thousand, one hundred seven".