156313 has 6 divisors (see below), whose sum is σ = 165354. Its totient is φ = 147744.

The previous prime is 156307. The next prime is 156319. The reversal of 156313 is 313651.

It is an interprime number because it is at equal distance from previous prime (156307) and next prime (156319).

It can be written as a sum of positive squares in only one way, i.e., 104329 + 51984 = 323^2 + 228^2 .

It is not a de Polignac number, because 156313 - 2⁹ = 155801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

156313 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (156319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145 + ... + 577.

It is an arithmetic number, because the mean of its divisors is an integer number (27559).

2¹⁵⁶³¹³ is an apocalyptic number.

It is an amenable number.

156313 is a deficient number, since it is larger than the sum of its proper divisors (9041).

156313 is an equidigital number, since it uses as much as digits as its factorization.

156313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 452 counting only the distinct ones).

The product of its digits is 270, while the sum is 19.

The square root of 156313 is about 395.3643888870. The cubic root of 156313 is about 53.8681051787.

Adding to 156313 its reverse (313651), we get a palindrome (469964).

It can be divided in two parts, 156 and 313, that multiplied together give a triangular number (48828 = T₃₁₂).

The spelling of 156313 in words is "one hundred fifty-six thousand, three hundred thirteen".