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154014869 is a prime number
BaseRepresentation
bin10010010111000…
…01010010010101
3101201210202200102
421023201102111
5303411433434
623141023445
73550050641
oct1113412225
9351722612
10154014869
1179a34718
12436b4b85
1325ba6478
1416651c21
15d7c407e
hex92e1495

154014869 has 2 divisors, whose sum is σ = 154014870. Its totient is φ = 154014868.

The previous prime is 154014857. The next prime is 154014871. The reversal of 154014869 is 968410451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147306769 + 6708100 = 12137^2 + 2590^2 .

It is a cyclic number.

It is not a de Polignac number, because 154014869 - 28 = 154014613 is a prime.

It is a super-2 number, since 2×1540148692 = 47441159746174322, which contains 22 as substring.

Together with 154014871, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p8657336 and since 154014869 and 8657336 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154014829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77007434 + 77007435.

It is an arithmetic number, because the mean of its divisors is an integer number (77007435).

Almost surely, 2154014869 is an apocalyptic number.

It is an amenable number.

154014869 is a deficient number, since it is larger than the sum of its proper divisors (1).

154014869 is an equidigital number, since it uses as much as digits as its factorization.

154014869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 154014869 is about 12410.2727206134. The cubic root of 154014869 is about 536.0280915050.

The spelling of 154014869 in words is "one hundred fifty-four million, fourteen thousand, eight hundred sixty-nine".