146780745 has 16 divisors (see below), whose sum is σ = 242948160. Its totient is φ = 75583424.

The previous prime is 146780743. The next prime is 146780749. The reversal of 146780745 is 547087641.

It is a cyclic number.

It is not a de Polignac number, because 146780745 - 2¹ = 146780743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146780697 and 146780706.

It is not an unprimeable number, because it can be changed into a prime (146780741) 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, 168279 + ... + 169148.

It is an arithmetic number, because the mean of its divisors is an integer number (15184260).

Almost surely, 2^146780745 is an apocalyptic number.

146780745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146780745 is a deficient number, since it is larger than the sum of its proper divisors (96167415).

146780745 is a wasteful number, since it uses less digits than its factorization.

146780745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337464.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 146780745 is about 12115.3103550838. The cubic root of 146780745 is about 527.5006865665.

The spelling of 146780745 in words is "one hundred forty-six million, seven hundred eighty thousand, seven hundred forty-five".