146172425 has 12 divisors (see below), whose sum is σ = 207147456. Its totient is φ = 100232400.

The previous prime is 146172419. The next prime is 146172431. The reversal of 146172425 is 524271641.

It is an interprime number because it is at equal distance from previous prime (146172419) and next prime (146172431).

It is not a de Polignac number, because 146172425 - 2⁶ = 146172361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 146172391 and 146172400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417461 + ... + 417810.

It is an arithmetic number, because the mean of its divisors is an integer number (17262288).

Almost surely, 2^146172425 is an apocalyptic number.

It is an amenable number.

146172425 is a deficient number, since it is larger than the sum of its proper divisors (60975031).

146172425 is an equidigital number, since it uses as much as digits as its factorization.

146172425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835288 (or 835283 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 146172425 is about 12090.1788655090. The cubic root of 146172425 is about 526.7709506594.

The spelling of 146172425 in words is "one hundred forty-six million, one hundred seventy-two thousand, four hundred twenty-five".