1658545145 has 8 divisors (see below), whose sum is σ = 1991616000. Its totient is φ = 1325928240.

The previous prime is 1658545127. The next prime is 1658545151. The reversal of 1658545145 is 5415458561.

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

It is not a de Polignac number, because 1658545145 - 2¹⁸ = 1658283001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1658545096 and 1658545105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105395 + ... + 120104.

It is an arithmetic number, because the mean of its divisors is an integer number (248952000).

Almost surely, 2^1658545145 is an apocalyptic number.

It is an amenable number.

1658545145 is a deficient number, since it is larger than the sum of its proper divisors (333070855).

1658545145 is a wasteful number, since it uses less digits than its factorization.

1658545145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226975.

The product of its digits is 480000, while the sum is 44.

The square root of 1658545145 is about 40725.2396555257. The cubic root of 1658545145 is about 1183.7021391377.

The spelling of 1658545145 in words is "one billion, six hundred fifty-eight million, five hundred forty-five thousand, one hundred forty-five".