1158405445 has 8 divisors (see below), whose sum is σ = 1390772736. Its totient is φ = 926266896.

The previous prime is 1158405407. The next prime is 1158405463. The reversal of 1158405445 is 5445048511.

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 1158405445 - 2⁷ = 1158405317 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 45837 + ... + 66466.

It is an arithmetic number, because the mean of its divisors is an integer number (173846592).

Almost surely, 2^1158405445 is an apocalyptic number.

It is an amenable number.

1158405445 is a deficient number, since it is larger than the sum of its proper divisors (232367291).

1158405445 is a wasteful number, since it uses less digits than its factorization.

1158405445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114371.

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 1158405445 is about 34035.3558083355. The cubic root of 1158405445 is about 1050.2359092001.

The spelling of 1158405445 in words is "one billion, one hundred fifty-eight million, four hundred five thousand, four hundred forty-five".