153215 has 4 divisors (see below), whose sum is σ = 183864. Its totient is φ = 122568.

The previous prime is 153191. The next prime is 153247. The reversal of 153215 is 512351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 153215 - 2⁶ = 153151 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 153193 and 153202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15317 + ... + 15326.

It is an arithmetic number, because the mean of its divisors is an integer number (45966).

2¹⁵³²¹⁵ is an apocalyptic number.

153215 is a deficient number, since it is larger than the sum of its proper divisors (30649).

153215 is an equidigital number, since it uses as much as digits as its factorization.

153215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30648.

The product of its digits is 150, while the sum is 17.

The square root of 153215 is about 391.4268769515. The cubic root of 153215 is about 53.5098534854.

Adding to 153215 its reverse (512351), we get a palindrome (665566).

The spelling of 153215 in words is "one hundred fifty-three thousand, two hundred fifteen".