151564225 has 12 divisors (see below), whose sum is σ = 190206576. Its totient is φ = 119788880.

The previous prime is 151564223. The next prime is 151564267. The reversal of 151564225 is 522465151.

It is not a de Polignac number, because 151564225 - 2¹ = 151564223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151564223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34447 + ... + 38596.

It is an arithmetic number, because the mean of its divisors is an integer number (15850548).

Almost surely, 2^151564225 is an apocalyptic number.

It is an amenable number.

151564225 is a deficient number, since it is larger than the sum of its proper divisors (38642351).

151564225 is an equidigital number, since it uses as much as digits as its factorization.

151564225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73136 (or 73131 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 151564225 is about 12311.1423109312. The cubic root of 151564225 is about 533.1698316085.

The spelling of 151564225 in words is "one hundred fifty-one million, five hundred sixty-four thousand, two hundred twenty-five".