151315 has 8 divisors (see below), whose sum is σ = 185328. Its totient is φ = 118560.

The previous prime is 151303. The next prime is 151337. The reversal of 151315 is 513151.

151315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-151315 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21 + ... + 550.

It is an arithmetic number, because the mean of its divisors is an integer number (23166).

2¹⁵¹³¹⁵ is an apocalyptic number.

151315 is a deficient number, since it is larger than the sum of its proper divisors (34013).

151315 is an equidigital number, since it uses as much as digits as its factorization.

151315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its digits is 75, while the sum is 16.

The square root of 151315 is about 388.9922878413. The cubic root of 151315 is about 53.2877431580.

Adding to 151315 its reverse (513151), we get a palindrome (664466).

The spelling of 151315 in words is "one hundred fifty-one thousand, three hundred fifteen".