149868273 has 8 divisors (see below), whose sum is σ = 201283488. Its totient is φ = 99182624.

The previous prime is 149868247. The next prime is 149868307. The reversal of 149868273 is 372868941.

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 149868273 - 2¹² = 149864177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149868233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181911 + ... + 182732.

It is an arithmetic number, because the mean of its divisors is an integer number (25160436).

Almost surely, 2^149868273 is an apocalyptic number.

It is an amenable number.

149868273 is a deficient number, since it is larger than the sum of its proper divisors (51415215).

149868273 is a wasteful number, since it uses less digits than its factorization.

149868273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364783.

The product of its digits is 580608, while the sum is 48.

The square root of 149868273 is about 12242.0698004872. The cubic root of 149868273 is about 531.1737047897.

The spelling of 149868273 in words is "one hundred forty-nine million, eight hundred sixty-eight thousand, two hundred seventy-three".