151225 has 12 divisors (see below), whose sum is σ = 196416. Its totient is φ = 115280.

The previous prime is 151213. The next prime is 151237. The reversal of 151225 is 522151.

It is an interprime number because it is at equal distance from previous prime (151213) and next prime (151237).

It is not a de Polignac number, because 151225 - 2¹⁵ = 118457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151199 and 151208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444 + ... + 706.

It is an arithmetic number, because the mean of its divisors is an integer number (16368).

2¹⁵¹²²⁵ is an apocalyptic number.

It is an amenable number.

151225 is a deficient number, since it is larger than the sum of its proper divisors (45191).

151225 is a wasteful number, since it uses less digits than its factorization.

151225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 291 counting only the distinct ones).

The product of its digits is 100, while the sum is 16.

The square root of 151225 is about 388.8765871070. The cubic root of 151225 is about 53.2771761332.

Adding to 151225 its reverse (522151), we get a palindrome (673376).

The spelling of 151225 in words is "one hundred fifty-one thousand, two hundred twenty-five".