146782745 has 8 divisors (see below), whose sum is σ = 176742216. Its totient is φ = 117024256.

The previous prime is 146782697. The next prime is 146782763. The reversal of 146782745 is 547287641.

It can be written as a sum of positive squares in 4 ways, for example, as 69272329 + 77510416 = 8323^2 + 8804^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146782745 - 2⁶ = 146782681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146782696 and 146782705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48632 + ... + 51561.

It is an arithmetic number, because the mean of its divisors is an integer number (22092777).

Almost surely, 2^146782745 is an apocalyptic number.

It is an amenable number.

146782745 is a deficient number, since it is larger than the sum of its proper divisors (29959471).

146782745 is a wasteful number, since it uses less digits than its factorization.

146782745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100491.

The product of its digits is 376320, while the sum is 44.

The square root of 146782745 is about 12115.3928949911. The cubic root of 146782745 is about 527.5030824225.

The spelling of 146782745 in words is "one hundred forty-six million, seven hundred eighty-two thousand, seven hundred forty-five".