146223225 has 60 divisors (see below), whose sum is σ = 273132816. Its totient is φ = 77332320.

The previous prime is 146223163. The next prime is 146223227. The reversal of 146223225 is 522322641.

146223225 = 240³ + 241³ + ... + 249³.

It is a happy number.

146223225 is a `hidden beast` number, since 1 + 4 + 622 + 32 + 2 + 5 = 666.

146223225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 146223225 - 2¹³ = 146215033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (146223227) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 329854 + ... + 330296.

Almost surely, 2^146223225 is an apocalyptic number.

146223225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146223225 is a deficient number, since it is larger than the sum of its proper divisors (126909591).

146223225 is a wasteful number, since it uses less digits than its factorization.

146223225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 614 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 146223225 is about 12092.2795617700. The cubic root of 146223225 is about 526.8319673318.

Adding to 146223225 its reverse (522322641), we get a palindrome (668545866).

The spelling of 146223225 in words is "one hundred forty-six million, two hundred twenty-three thousand, two hundred twenty-five".