149655549 has 8 divisors (see below), whose sum is σ = 208216512. Its totient is φ = 95432480.

The previous prime is 149655529. The next prime is 149655563. The reversal of 149655549 is 945556941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149655549 - 2⁸ = 149655293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149655498 and 149655507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149655529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084392 + ... + 1084529.

It is an arithmetic number, because the mean of its divisors is an integer number (26027064).

Almost surely, 2^149655549 is an apocalyptic number.

It is an amenable number.

149655549 is a deficient number, since it is larger than the sum of its proper divisors (58560963).

149655549 is a wasteful number, since it uses less digits than its factorization.

149655549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168947.

The product of its digits is 972000, while the sum is 48.

The square root of 149655549 is about 12233.3784785725. The cubic root of 149655549 is about 530.9222686534.

The spelling of 149655549 in words is "one hundred forty-nine million, six hundred fifty-five thousand, five hundred forty-nine".