149230505 has 8 divisors (see below), whose sum is σ = 189610632. Its totient is φ = 112361728.

The previous prime is 149230493. The next prime is 149230519. The reversal of 149230505 is 505032941.

It can be written as a sum of positive squares in 4 ways, for example, as 65983129 + 83247376 = 8123^2 + 9124^2 .

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 149230505 - 2⁴ = 149230489 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877742 + ... + 877911.

It is an arithmetic number, because the mean of its divisors is an integer number (23701329).

Almost surely, 2^149230505 is an apocalyptic number.

It is an amenable number.

149230505 is a deficient number, since it is larger than the sum of its proper divisors (40380127).

149230505 is a wasteful number, since it uses less digits than its factorization.

149230505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755675.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 149230505 is about 12215.9938195793. The cubic root of 149230505 is about 530.4191593355.

The spelling of 149230505 in words is "one hundred forty-nine million, two hundred thirty thousand, five hundred five".