149695583 has 2 divisors, whose sum is σ = 149695584. Its totient is φ = 149695582.

The previous prime is 149695573. The next prime is 149695603. The reversal of 149695583 is 385596941.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149695583 - 2¹⁴ = 149679199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149695543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74847791 + 74847792.

It is an arithmetic number, because the mean of its divisors is an integer number (74847792).

Almost surely, 2^149695583 is an apocalyptic number.

149695583 is a deficient number, since it is larger than the sum of its proper divisors (1).

149695583 is an equidigital number, since it uses as much as digits as its factorization.

149695583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 50.

The square root of 149695583 is about 12235.0146301506. The cubic root of 149695583 is about 530.9696063504.

It can be divided in two parts, 1496 and 95583, that added together give a palindrome (97079).

The spelling of 149695583 in words is "one hundred forty-nine million, six hundred ninety-five thousand, five hundred eighty-three".