149403305 has 8 divisors (see below), whose sum is σ = 179506752. Its totient is φ = 119374128.

The previous prime is 149403277. The next prime is 149403307. The reversal of 149403305 is 503304941.

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 149403305 - 2²⁰ = 148354729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149403307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14039 + ... + 22268.

It is an arithmetic number, because the mean of its divisors is an integer number (22438344).

Almost surely, 2^149403305 is an apocalyptic number.

It is an amenable number.

149403305 is a deficient number, since it is larger than the sum of its proper divisors (30103447).

149403305 is an equidigital number, since it uses as much as digits as its factorization.

149403305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37135.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 149403305 is about 12223.0644684547. The cubic root of 149403305 is about 530.6238115857.

The spelling of 149403305 in words is "one hundred forty-nine million, four hundred three thousand, three hundred five".