149541305 has 16 divisors (see below), whose sum is σ = 189393600. Its totient is φ = 113037120.

The previous prime is 149541289. The next prime is 149541409. The reversal of 149541305 is 503145941.

It is not a de Polignac number, because 149541305 - 2⁴ = 149541289 is a prime.

It is a super-2 number, since 2×149541305² = 44725203802206050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38126 + ... + 41864.

It is an arithmetic number, because the mean of its divisors is an integer number (11837100).

Almost surely, 2^149541305 is an apocalyptic number.

It is an amenable number.

149541305 is a deficient number, since it is larger than the sum of its proper divisors (39852295).

149541305 is a wasteful number, since it uses less digits than its factorization.

149541305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 149541305 is about 12228.7082310439. The cubic root of 149541305 is about 530.7871358438.

The spelling of 149541305 in words is "one hundred forty-nine million, five hundred forty-one thousand, three hundred five".