149583983 has 2 divisors, whose sum is σ = 149583984. Its totient is φ = 149583982.

The previous prime is 149583961. The next prime is 149583989. The reversal of 149583983 is 389385941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149583983 - 2⁶ = 149583919 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149583989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74791991 + 74791992.

It is an arithmetic number, because the mean of its divisors is an integer number (74791992).

Almost surely, 2^149583983 is an apocalyptic number.

149583983 is a deficient number, since it is larger than the sum of its proper divisors (1).

149583983 is an equidigital number, since it uses as much as digits as its factorization.

149583983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 50.

The square root of 149583983 is about 12230.4530987204. The cubic root of 149583983 is about 530.8376253028.

The spelling of 149583983 in words is "one hundred forty-nine million, five hundred eighty-three thousand, nine hundred eighty-three".