151345 has 4 divisors (see below), whose sum is σ = 181620. Its totient is φ = 121072.

The previous prime is 151343. The next prime is 151357. The reversal of 151345 is 543151.

151345 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.

It can be written as a sum of positive squares in 2 ways, for example, as 91809 + 59536 = 303^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 151345 - 2¹ = 151343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151343) 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, 15130 + ... + 15139.

It is an arithmetic number, because the mean of its divisors is an integer number (45405).

2¹⁵¹³⁴⁵ is an apocalyptic number.

It is an amenable number.

151345 is a deficient number, since it is larger than the sum of its proper divisors (30275).

151345 is an equidigital number, since it uses as much as digits as its factorization.

151345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30274.

The product of its digits is 300, while the sum is 19.

The square root of 151345 is about 389.0308471060. The cubic root of 151345 is about 53.2912645684.

Adding to 151345 its reverse (543151), we get a palindrome (694496).

It can be divided in two parts, 151 and 345, that added together give a triangular number (496 = T₃₁).

The spelling of 151345 in words is "one hundred fifty-one thousand, three hundred forty-five".