149018655 has 8 divisors (see below), whose sum is σ = 238429872. Its totient is φ = 79476608.

The previous prime is 149018629. The next prime is 149018671. The reversal of 149018655 is 556810941.

149018655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 149018655 - 2⁹ = 149018143 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4967274 + ... + 4967303.

It is an arithmetic number, because the mean of its divisors is an integer number (29803734).

Almost surely, 2^149018655 is an apocalyptic number.

149018655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149018655 is a deficient number, since it is larger than the sum of its proper divisors (89411217).

149018655 is an equidigital number, since it uses as much as digits as its factorization.

149018655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9934585.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 149018655 is about 12207.3197303913. The cubic root of 149018655 is about 530.1680433084.

The spelling of 149018655 in words is "one hundred forty-nine million, eighteen thousand, six hundred fifty-five".