146421525 has 48 divisors (see below), whose sum is σ = 253698048. Its totient is φ = 74424000.

The previous prime is 146421521. The next prime is 146421547. The reversal of 146421525 is 525124641.

146421525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 146421525 - 2² = 146421521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146421492 and 146421501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146421521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164632 + ... + 165518.

It is an arithmetic number, because the mean of its divisors is an integer number (5285376).

Almost surely, 2^146421525 is an apocalyptic number.

146421525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146421525 is a deficient number, since it is larger than the sum of its proper divisors (107276523).

146421525 is a wasteful number, since it uses less digits than its factorization.

146421525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 997 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 146421525 is about 12100.4762302977. The cubic root of 146421525 is about 527.0700133941.

The spelling of 146421525 in words is "one hundred forty-six million, four hundred twenty-one thousand, five hundred twenty-five".