151740049 has 2 divisors, whose sum is σ = 151740050. Its totient is φ = 151740048.

The previous prime is 151740031. The next prime is 151740053. The reversal of 151740049 is 940047151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123988225 + 27751824 = 11135^2 + 5268^2 .

It is a cyclic number.

It is not a de Polignac number, because 151740049 - 2⁹ = 151739537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151740049.

It is not a weakly prime, because it can be changed into another prime (151740089) 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, 75870024 + 75870025.

It is an arithmetic number, because the mean of its divisors is an integer number (75870025).

Almost surely, 2^151740049 is an apocalyptic number.

It is an amenable number.

151740049 is a deficient number, since it is larger than the sum of its proper divisors (1).

151740049 is an equidigital number, since it uses as much as digits as its factorization.

151740049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 151740049 is about 12318.2810895027. The cubic root of 151740049 is about 533.3759220765.

The spelling of 151740049 in words is "one hundred fifty-one million, seven hundred forty thousand, forty-nine".