151606549 has 2 divisors, whose sum is σ = 151606550. Its totient is φ = 151606548.

The previous prime is 151606489. The next prime is 151606573. The reversal of 151606549 is 945606151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76003524 + 75603025 = 8718^2 + 8695^2 .

It is a cyclic number.

It is not a de Polignac number, because 151606549 - 2¹⁵ = 151573781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151606849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75803274 + 75803275.

It is an arithmetic number, because the mean of its divisors is an integer number (75803275).

Almost surely, 2^151606549 is an apocalyptic number.

It is an amenable number.

151606549 is a deficient number, since it is larger than the sum of its proper divisors (1).

151606549 is an equidigital number, since it uses as much as digits as its factorization.

151606549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 151606549 is about 12312.8611216078. The cubic root of 151606549 is about 533.2194558515.

The spelling of 151606549 in words is "one hundred fifty-one million, six hundred six thousand, five hundred forty-nine".