150813193 has 4 divisors (see below), whose sum is σ = 151898320. Its totient is φ = 149728068.

The previous prime is 150813161. The next prime is 150813197. The reversal of 150813193 is 391318051.

150813193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 391318051 = 389 ⋅1005959.

It is a cyclic number.

It is not a de Polignac number, because 150813193 - 2⁵ = 150813161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150813197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542355 + ... + 542632.

It is an arithmetic number, because the mean of its divisors is an integer number (37974580).

Almost surely, 2^150813193 is an apocalyptic number.

It is an amenable number.

150813193 is a deficient number, since it is larger than the sum of its proper divisors (1085127).

150813193 is a wasteful number, since it uses less digits than its factorization.

150813193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085126.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 150813193 is about 12280.6023060760. The cubic root of 150813193 is about 532.2877174811.

The spelling of 150813193 in words is "one hundred fifty million, eight hundred thirteen thousand, one hundred ninety-three".