149353243 has 24 divisors (see below), whose sum is σ = 171829680. Its totient is φ = 129392640.

The previous prime is 149353223. The next prime is 149353247. The reversal of 149353243 is 342353941.

It is not a de Polignac number, because 149353243 - 2²⁵ = 115798811 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149353199 and 149353208.

It is not an unprimeable number, because it can be changed into a prime (149353247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 619603 + ... + 619843.

It is an arithmetic number, because the mean of its divisors is an integer number (7159570).

Almost surely, 2^149353243 is an apocalyptic number.

149353243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

149353243 is a deficient number, since it is larger than the sum of its proper divisors (22476437).

149353243 is a wasteful number, since it uses less digits than its factorization.

149353243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 466 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 149353243 is about 12221.0164470882. The cubic root of 149353243 is about 530.5645378928.

The spelling of 149353243 in words is "one hundred forty-nine million, three hundred fifty-three thousand, two hundred forty-three".