151287649 has 2 divisors, whose sum is σ = 151287650. Its totient is φ = 151287648.

The previous prime is 151287637. The next prime is 151287659. The reversal of 151287649 is 946782151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144360225 + 6927424 = 12015^2 + 2632^2 .

It is a cyclic number.

It is not a de Polignac number, because 151287649 - 2²¹ = 149190497 is a prime.

It is not a weakly prime, because it can be changed into another prime (151287659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75643824 + 75643825.

It is an arithmetic number, because the mean of its divisors is an integer number (75643825).

Almost surely, 2^151287649 is an apocalyptic number.

It is an amenable number.

151287649 is a deficient number, since it is larger than the sum of its proper divisors (1).

151287649 is an equidigital number, since it uses as much as digits as its factorization.

151287649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The square root of 151287649 is about 12299.9044305230. The cubic root of 151287649 is about 532.8453228244.

The spelling of 151287649 in words is "one hundred fifty-one million, two hundred eighty-seven thousand, six hundred forty-nine".