149435017 has 2 divisors, whose sum is σ = 149435018. Its totient is φ = 149435016.

The previous prime is 149435003. The next prime is 149435021. The reversal of 149435017 is 710534941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147768336 + 1666681 = 12156^2 + 1291^2 .

It is a cyclic number.

It is not a de Polignac number, because 149435017 - 2⁷ = 149434889 is a prime.

It is not a weakly prime, because it can be changed into another prime (149435047) 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, 74717508 + 74717509.

It is an arithmetic number, because the mean of its divisors is an integer number (74717509).

Almost surely, 2^149435017 is an apocalyptic number.

It is an amenable number.

149435017 is a deficient number, since it is larger than the sum of its proper divisors (1).

149435017 is an equidigital number, since it uses as much as digits as its factorization.

149435017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 149435017 is about 12224.3616193239. The cubic root of 149435017 is about 530.6613519241.

Adding to 149435017 its reverse (710534941), we get a palindrome (859969958).

The spelling of 149435017 in words is "one hundred forty-nine million, four hundred thirty-five thousand, seventeen".