149305863 has 8 divisors (see below), whose sum is σ = 227513728. Its totient is φ = 85317624.

The previous prime is 149305861. The next prime is 149305867. The reversal of 149305863 is 368503941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149305863 - 2¹ = 149305861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149305861) by changing a digit.

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, 3554881 + ... + 3554922.

It is an arithmetic number, because the mean of its divisors is an integer number (28439216).

Almost surely, 2^149305863 is an apocalyptic number.

149305863 is a deficient number, since it is larger than the sum of its proper divisors (78207865).

149305863 is an equidigital number, since it uses as much as digits as its factorization.

149305863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7109813.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 149305863 is about 12219.0778293618. The cubic root of 149305863 is about 530.5084275020.

The spelling of 149305863 in words is "one hundred forty-nine million, three hundred five thousand, eight hundred sixty-three".