655146745 has 8 divisors (see below), whose sum is σ = 857646720. Its totient is φ = 476470320.

The previous prime is 655146721. The next prime is 655146761. The reversal of 655146745 is 547641556.

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

It is not a de Polignac number, because 655146745 - 2¹⁹ = 654622457 is a prime.

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, 5955825 + ... + 5955934.

It is an arithmetic number, because the mean of its divisors is an integer number (107205840).

Almost surely, 2^655146745 is an apocalyptic number.

It is an amenable number.

655146745 is a deficient number, since it is larger than the sum of its proper divisors (202499975).

655146745 is a wasteful number, since it uses less digits than its factorization.

655146745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11911775.

The product of its digits is 504000, while the sum is 43.

The square root of 655146745 is about 25595.8345243909. The cubic root of 655146745 is about 868.5194110851.

The spelling of 655146745 in words is "six hundred fifty-five million, one hundred forty-six thousand, seven hundred forty-five".