146191025 has 6 divisors (see below), whose sum is σ = 181276902. Its totient is φ = 116952800.

The previous prime is 146190949. The next prime is 146191039. The reversal of 146191025 is 520191641.

146191025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 6927424 + 139263601 = 2632^2 + 11801^2 .

It is a de Polignac number, because none of the positive numbers 2^k-146191025 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2923796 + ... + 2923845.

It is an arithmetic number, because the mean of its divisors is an integer number (30212817).

Almost surely, 2^146191025 is an apocalyptic number.

It is an amenable number.

146191025 is a deficient number, since it is larger than the sum of its proper divisors (35085877).

146191025 is an equidigital number, since it uses as much as digits as its factorization.

146191025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847651 (or 5847646 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 146191025 is about 12090.9480604293. The cubic root of 146191025 is about 526.7932930497.

The spelling of 146191025 in words is "one hundred forty-six million, one hundred ninety-one thousand, twenty-five".