146125021 has 16 divisors (see below), whose sum is σ = 171085824. Its totient is φ = 122202864.

The previous prime is 146125019. The next prime is 146125027. The reversal of 146125021 is 120521641.

It is not a de Polignac number, because 146125021 - 2¹ = 146125019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146124983 and 146125001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146125027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165046 + ... + 165928.

It is an arithmetic number, because the mean of its divisors is an integer number (10692864).

Almost surely, 2^146125021 is an apocalyptic number.

It is an amenable number.

146125021 is a deficient number, since it is larger than the sum of its proper divisors (24960803).

146125021 is an equidigital number, since it uses as much as digits as its factorization.

146125021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 146125021 is about 12088.2182723510. The cubic root of 146125021 is about 526.7140002234.

Adding to 146125021 its reverse (120521641), we get a palindrome (266646662).

The spelling of 146125021 in words is "one hundred forty-six million, one hundred twenty-five thousand, twenty-one".