149198055 has 16 divisors (see below), whose sum is σ = 239747040. Its totient is φ = 79228928.

The previous prime is 149198053. The next prime is 149198083. The reversal of 149198055 is 550891941.

149198055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 149198055 - 2¹ = 149198053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149197998 and 149198016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149198053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17850 + ... + 24839.

It is an arithmetic number, because the mean of its divisors is an integer number (14984190).

Almost surely, 2^149198055 is an apocalyptic number.

149198055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149198055 is a deficient number, since it is larger than the sum of its proper divisors (90548985).

149198055 is a wasteful number, since it uses less digits than its factorization.

149198055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42930.

The product of its (nonzero) digits is 64800, while the sum is 42.

The square root of 149198055 is about 12214.6655705345. The cubic root of 149198055 is about 530.3807102051.

The spelling of 149198055 in words is "one hundred forty-nine million, one hundred ninety-eight thousand, fifty-five".