151449101 has 2 divisors, whose sum is σ = 151449102. Its totient is φ = 151449100.

The previous prime is 151449091. The next prime is 151449131. The reversal of 151449101 is 101944151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149475076 + 1974025 = 12226^2 + 1405^2 .

It is a cyclic number.

It is not a de Polignac number, because 151449101 - 2¹⁸ = 151186957 is a prime.

It is a super-3 number, since 3×151449101³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151449131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75724550 + 75724551.

It is an arithmetic number, because the mean of its divisors is an integer number (75724551).

Almost surely, 2^151449101 is an apocalyptic number.

It is an amenable number.

151449101 is a deficient number, since it is larger than the sum of its proper divisors (1).

151449101 is an equidigital number, since it uses as much as digits as its factorization.

151449101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 151449101 is about 12306.4658208602. The cubic root of 151449101 is about 533.0348037212.

The spelling of 151449101 in words is "one hundred fifty-one million, four hundred forty-nine thousand, one hundred one".