149563783 has 2 divisors, whose sum is σ = 149563784. Its totient is φ = 149563782.

The previous prime is 149563781. The next prime is 149563789. The reversal of 149563783 is 387365941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149563783 - 2¹ = 149563781 is a prime.

Together with 149563781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149563781) 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, 74781891 + 74781892.

It is an arithmetic number, because the mean of its divisors is an integer number (74781892).

Almost surely, 2^149563783 is an apocalyptic number.

149563783 is a deficient number, since it is larger than the sum of its proper divisors (1).

149563783 is an equidigital number, since it uses as much as digits as its factorization.

149563783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 149563783 is about 12229.6272633306. The cubic root of 149563783 is about 530.8137292444.

The spelling of 149563783 in words is "one hundred forty-nine million, five hundred sixty-three thousand, seven hundred eighty-three".