146022725 has 6 divisors (see below), whose sum is σ = 181068210. Its totient is φ = 116818160.

The previous prime is 146022691. The next prime is 146022739. The reversal of 146022725 is 527220641.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2070721 + 143952004 = 1439^2 + 11998^2 .

It is not a de Polignac number, because 146022725 - 2⁶ = 146022661 is a prime.

It is a super-3 number, since 3×146022725³ (a number of 25 digits) contains 333 as substring.

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, 2920430 + ... + 2920479.

It is an arithmetic number, because the mean of its divisors is an integer number (30178035).

Almost surely, 2^146022725 is an apocalyptic number.

It is an amenable number.

146022725 is a deficient number, since it is larger than the sum of its proper divisors (35045485).

146022725 is an equidigital number, since it uses as much as digits as its factorization.

146022725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840919 (or 5840914 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 146022725 is about 12083.9863041961. The cubic root of 146022725 is about 526.5910614022.

The spelling of 146022725 in words is "one hundred forty-six million, twenty-two thousand, seven hundred twenty-five".