149085683 has 2 divisors, whose sum is σ = 149085684. Its totient is φ = 149085682.

The previous prime is 149085649. The next prime is 149085689. The reversal of 149085683 is 386580941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149085683 - 2⁶ = 149085619 is a prime.

It is not a weakly prime, because it can be changed into another prime (149085689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74542841 + 74542842.

It is an arithmetic number, because the mean of its divisors is an integer number (74542842).

Almost surely, 2^149085683 is an apocalyptic number.

149085683 is a deficient number, since it is larger than the sum of its proper divisors (1).

149085683 is an equidigital number, since it uses as much as digits as its factorization.

149085683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 149085683 is about 12210.0648237427. The cubic root of 149085683 is about 530.2475205544.

The spelling of 149085683 in words is "one hundred forty-nine million, eighty-five thousand, six hundred eighty-three".