151101649 has 2 divisors, whose sum is σ = 151101650. Its totient is φ = 151101648.

The previous prime is 151101647. The next prime is 151101677. The reversal of 151101649 is 946101151.

It is an a-pointer prime, because the next prime (151101677) can be obtained adding 151101649 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139405249 + 11696400 = 11807^2 + 3420^2 .

It is an emirp because it is prime and its reverse (946101151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151101649 - 2¹ = 151101647 is a prime.

Together with 151101647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (151101647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75550824 + 75550825.

It is an arithmetic number, because the mean of its divisors is an integer number (75550825).

Almost surely, 2^151101649 is an apocalyptic number.

It is an amenable number.

151101649 is a deficient number, since it is larger than the sum of its proper divisors (1).

151101649 is an equidigital number, since it uses as much as digits as its factorization.

151101649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 151101649 is about 12292.3410707643. The cubic root of 151101649 is about 532.6268650830.

The spelling of 151101649 in words is "one hundred fifty-one million, one hundred one thousand, six hundred forty-nine".