1455664225 has 24 divisors (see below), whose sum is σ = 1841400000. Its totient is φ = 1141189440.

The previous prime is 1455664201. The next prime is 1455664229. The reversal of 1455664225 is 5224665541.

It is a happy number.

1455664225 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1455664225 - 2⁷ = 1455664097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1455664229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 528151 + ... + 530899.

It is an arithmetic number, because the mean of its divisors is an integer number (76725000).

Almost surely, 2^1455664225 is an apocalyptic number.

It is an amenable number.

1455664225 is a deficient number, since it is larger than the sum of its proper divisors (385735775).

1455664225 is a wasteful number, since it uses less digits than its factorization.

1455664225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177 (or 3172 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 1455664225 is about 38153.1679549680. The cubic root of 1455664225 is about 1133.3230879024.

The spelling of 1455664225 in words is "one billion, four hundred fifty-five million, six hundred sixty-four thousand, two hundred twenty-five".