146152225 has 6 divisors (see below), whose sum is σ = 181228790. Its totient is φ = 116921760.

The previous prime is 146152219. The next prime is 146152231. The reversal of 146152225 is 522251641.

It is an interprime number because it is at equal distance from previous prime (146152219) and next prime (146152231).

It can be written as a sum of positive squares in 3 ways, for example, as 7006609 + 139145616 = 2647^2 + 11796^2 .

It is a de Polignac number, because none of the positive numbers 2^k-146152225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146152193 and 146152202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2923020 + ... + 2923069.

Almost surely, 2^146152225 is an apocalyptic number.

It is an amenable number.

146152225 is a deficient number, since it is larger than the sum of its proper divisors (35076565).

146152225 is an equidigital number, since it uses as much as digits as its factorization.

146152225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5846099 (or 5846094 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 146152225 is about 12089.3434478470. The cubic root of 146152225 is about 526.7466841960.

The spelling of 146152225 in words is "one hundred forty-six million, one hundred fifty-two thousand, two hundred twenty-five".