151393 has 4 divisors (see below), whose sum is σ = 165168. Its totient is φ = 137620.

The previous prime is 151391. The next prime is 151397. The reversal of 151393 is 393151.

151393 = T₃₂ + T₃₃ + ... + T₉₇.

151393 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.

It is a cyclic number.

It is not a de Polignac number, because 151393 - 2¹ = 151391 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151391) 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, 6871 + ... + 6892.

It is an arithmetic number, because the mean of its divisors is an integer number (41292).

2¹⁵¹³⁹³ is an apocalyptic number.

It is an amenable number.

151393 is a deficient number, since it is larger than the sum of its proper divisors (13775).

151393 is a wasteful number, since it uses less digits than its factorization.

151393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13774.

The product of its digits is 405, while the sum is 22.

The square root of 151393 is about 389.0925339813. The cubic root of 151393 is about 53.2968978573.

The spelling of 151393 in words is "one hundred fifty-one thousand, three hundred ninety-three".