149430255 has 32 divisors (see below), whose sum is σ = 272631744. Its totient is φ = 69236736.

The previous prime is 149430251. The next prime is 149430257. The reversal of 149430255 is 552034941.

It is not a de Polignac number, because 149430255 - 2² = 149430251 is a prime.

It is a super-2 number, since 2×149430255² = 44658802218730050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149430251) 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 in 31 ways as a sum of consecutive naturals, for example, 19224 + ... + 25853.

It is an arithmetic number, because the mean of its divisors is an integer number (8519742).

Almost surely, 2^149430255 is an apocalyptic number.

149430255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149430255 is a deficient number, since it is larger than the sum of its proper divisors (123201489).

149430255 is a wasteful number, since it uses less digits than its factorization.

149430255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45115.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 149430255 is about 12224.1668427750. The cubic root of 149430255 is about 530.6557150565.

The spelling of 149430255 in words is "one hundred forty-nine million, four hundred thirty thousand, two hundred fifty-five".