149837747 has 2 divisors, whose sum is σ = 149837748. Its totient is φ = 149837746.

The previous prime is 149837741. The next prime is 149837749. The reversal of 149837747 is 747738941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149837747 - 2¹⁴ = 149821363 is a prime.

Together with 149837749, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 149837695 and 149837704.

It is not a weakly prime, because it can be changed into another prime (149837741) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74918873 + 74918874.

It is an arithmetic number, because the mean of its divisors is an integer number (74918874).

Almost surely, 2^149837747 is an apocalyptic number.

149837747 is a deficient number, since it is larger than the sum of its proper divisors (1).

149837747 is an equidigital number, since it uses as much as digits as its factorization.

149837747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 50.

The square root of 149837747 is about 12240.8229706993. The cubic root of 149837747 is about 531.1376382067.

The spelling of 149837747 in words is "one hundred forty-nine million, eight hundred thirty-seven thousand, seven hundred forty-seven".