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151146431 is a prime number
BaseRepresentation
bin10010000001001…
…00111110111111
3101112102000220222
421000210332333
5302143141211
622555331555
73513503102
oct1100447677
9345360828
10151146431
1178355607
1242750bbb
1325410977
1416106739
15d4091db
hex9024fbf

151146431 has 2 divisors, whose sum is σ = 151146432. Its totient is φ = 151146430.

The previous prime is 151146397. The next prime is 151146451. The reversal of 151146431 is 134641151.

It is a strong prime.

It is an emirp because it is prime and its reverse (134641151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151146431 - 218 = 150884287 is a prime.

It is a super-2 number, since 2×1511464312 = 45690487208075522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151146431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151146451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75573215 + 75573216.

It is an arithmetic number, because the mean of its divisors is an integer number (75573216).

Almost surely, 2151146431 is an apocalyptic number.

151146431 is a deficient number, since it is larger than the sum of its proper divisors (1).

151146431 is an equidigital number, since it uses as much as digits as its factorization.

151146431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 26.

The square root of 151146431 is about 12294.1624765577. The cubic root of 151146431 is about 532.6794780988.

Adding to 151146431 its reverse (134641151), we get a palindrome (285787582).

The spelling of 151146431 in words is "one hundred fifty-one million, one hundred forty-six thousand, four hundred thirty-one".