151683449 has 2 divisors, whose sum is σ = 151683450. Its totient is φ = 151683448.

The previous prime is 151683431. The next prime is 151683487. The reversal of 151683449 is 944386151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141443449 + 10240000 = 11893^2 + 3200^2 .

It is an emirp because it is prime and its reverse (944386151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151683449 - 2¹⁶ = 151617913 is a prime.

It is not a weakly prime, because it can be changed into another prime (151683349) 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, 75841724 + 75841725.

It is an arithmetic number, because the mean of its divisors is an integer number (75841725).

Almost surely, 2^151683449 is an apocalyptic number.

It is an amenable number.

151683449 is a deficient number, since it is larger than the sum of its proper divisors (1).

151683449 is an equidigital number, since it uses as much as digits as its factorization.

151683449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 151683449 is about 12315.9834767671. The cubic root of 151683449 is about 533.3095962960.

The spelling of 151683449 in words is "one hundred fifty-one million, six hundred eighty-three thousand, four hundred forty-nine".