146920025 has 24 divisors (see below), whose sum is σ = 211635264. Its totient is φ = 99086400.

The previous prime is 146919991. The next prime is 146920031. The reversal of 146920025 is 520029641.

It is a happy number.

It is not a de Polignac number, because 146920025 - 2¹⁴ = 146903641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146920025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3794 + ... + 17556.

It is an arithmetic number, because the mean of its divisors is an integer number (8818136).

Almost surely, 2^146920025 is an apocalyptic number.

It is an amenable number.

146920025 is a deficient number, since it is larger than the sum of its proper divisors (64715239).

146920025 is a wasteful number, since it uses less digits than its factorization.

146920025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13841 (or 13836 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 146920025 is about 12121.0570908646. The cubic root of 146920025 is about 527.6674819893.

Adding to 146920025 its reverse (520029641), we get a palindrome (666949666).

The spelling of 146920025 in words is "one hundred forty-six million, nine hundred twenty thousand, twenty-five".