150421193 has 8 divisors (see below), whose sum is σ = 163427208. Its totient is φ = 137620224.

The previous prime is 150421177. The next prime is 150421211. The reversal of 150421193 is 391124051.

It can be written as a sum of positive squares in 4 ways, for example, as 1507984 + 148913209 = 1228^2 + 12203^2 .

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 150421193 - 2⁴ = 150421177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150421493) 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, 49730 + ... + 52667.

It is an arithmetic number, because the mean of its divisors is an integer number (20428401).

Almost surely, 2^150421193 is an apocalyptic number.

150421193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

150421193 is a deficient number, since it is larger than the sum of its proper divisors (13006015).

150421193 is a wasteful number, since it uses less digits than its factorization.

150421193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102523.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 150421193 is about 12264.6317922716. The cubic root of 150421193 is about 531.8261357814.

The spelling of 150421193 in words is "one hundred fifty million, four hundred twenty-one thousand, one hundred ninety-three".