146561625 has 96 divisors (see below), whose sum is σ = 310722048. Its totient is φ = 65059200.

The previous prime is 146561599. The next prime is 146561627. The reversal of 146561625 is 526165641.

146561625 is a `hidden beast` number, since 14 + 6 + 5 + 616 + 25 = 666.

146561625 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 146561625 - 2⁶ = 146561561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146561625.

It is not an unprimeable number, because it can be changed into a prime (146561627) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 291124 + ... + 291626.

It is an arithmetic number, because the mean of its divisors is an integer number (3236688).

Almost surely, 2^146561625 is an apocalyptic number.

146561625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146561625 is an abundant number, since it is smaller than the sum of its proper divisors (164160423).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146561625 is a wasteful number, since it uses less digits than its factorization.

146561625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 555 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 146561625 is about 12106.2638745403. The cubic root of 146561625 is about 527.2380646646.

It can be divided in two parts, 1465616 and 25, that added together give a palindrome (1465641).

The spelling of 146561625 in words is "one hundred forty-six million, five hundred sixty-one thousand, six hundred twenty-five".