146725745 has 4 divisors (see below), whose sum is σ = 176070900. Its totient is φ = 117380592.

The previous prime is 146725729. The next prime is 146725751. The reversal of 146725745 is 547527641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547527641 = 9613 ⋅56957.

It can be written as a sum of positive squares in 2 ways, for example, as 97851664 + 48874081 = 9892^2 + 6991^2 .

It is a cyclic number.

It is not a de Polignac number, because 146725745 - 2⁴ = 146725729 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14672570 + ... + 14672579.

It is an arithmetic number, because the mean of its divisors is an integer number (44017725).

Almost surely, 2^146725745 is an apocalyptic number.

It is an amenable number.

146725745 is a deficient number, since it is larger than the sum of its proper divisors (29345155).

146725745 is an equidigital number, since it uses as much as digits as its factorization.

146725745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29345154.

The product of its digits is 235200, while the sum is 41.

The square root of 146725745 is about 12113.0402872276. The cubic root of 146725745 is about 527.4347919964.

The spelling of 146725745 in words is "one hundred forty-six million, seven hundred twenty-five thousand, seven hundred forty-five".