149583547 has 2 divisors, whose sum is σ = 149583548. Its totient is φ = 149583546.

The previous prime is 149583517. The next prime is 149583569. The reversal of 149583547 is 745385941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149583547 - 2¹⁹ = 149059259 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 149583497 and 149583506.

It is not a weakly prime, because it can be changed into another prime (149583517) 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, 74791773 + 74791774.

It is an arithmetic number, because the mean of its divisors is an integer number (74791774).

Almost surely, 2^149583547 is an apocalyptic number.

149583547 is a deficient number, since it is larger than the sum of its proper divisors (1).

149583547 is an equidigital number, since it uses as much as digits as its factorization.

149583547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 46.

The square root of 149583547 is about 12230.4352743474. The cubic root of 149583547 is about 530.8371095492.

It can be divided in two parts, 149 and 583547, that added together give a square (583696 = 764²).

The spelling of 149583547 in words is "one hundred forty-nine million, five hundred eighty-three thousand, five hundred forty-seven".