146773225 has 9 divisors (see below), whose sum is σ = 182073943. Its totient is φ = 117370120.

The previous prime is 146773217. The next prime is 146773241. The reversal of 146773225 is 522377641.

It is a happy number.

The square root of 146773225 is 12115.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 52838361 + 93934864 = 7269^2 + 9692^2 .

It is not a de Polignac number, because 146773225 - 2³ = 146773217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 59364 + ... + 61786.

Almost surely, 2^146773225 is an apocalyptic number.

146773225 is the 12115-th square number.

146773225 is the 6058-th centered octagonal number.

It is an amenable number.

146773225 is a deficient number, since it is larger than the sum of its proper divisors (35300718).

146773225 is an frugal number, since it uses more digits than its factorization.

146773225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856 (or 2428 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The cubic root of 146773225 is about 527.4916779532.

The spelling of 146773225 in words is "one hundred forty-six million, seven hundred seventy-three thousand, two hundred twenty-five".