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145812959 is a prime number
BaseRepresentation
bin10001011000011…
…10110111011111
3101011101001202222
420230032313133
5244312003314
622245135555
73420250445
oct1054166737
9334331688
10145812959
1175342486
12409ba5bb
1324294176
1415518b95
15cc03c8e
hex8b0eddf

145812959 has 2 divisors, whose sum is σ = 145812960. Its totient is φ = 145812958.

The previous prime is 145812949. The next prime is 145812983. The reversal of 145812959 is 959218541.

It is a weak prime.

It is an emirp because it is prime and its reverse (959218541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145812959 - 212 = 145808863 is a prime.

It is a super-2 number, since 2×1458129592 = 42522838024671362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145812949) 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, 72906479 + 72906480.

It is an arithmetic number, because the mean of its divisors is an integer number (72906480).

Almost surely, 2145812959 is an apocalyptic number.

145812959 is a deficient number, since it is larger than the sum of its proper divisors (1).

145812959 is an equidigital number, since it uses as much as digits as its factorization.

145812959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 44.

The square root of 145812959 is about 12075.3036814815. The cubic root of 145812959 is about 526.3387859743.

The spelling of 145812959 in words is "one hundred forty-five million, eight hundred twelve thousand, nine hundred fifty-nine".