1158620145 has 16 divisors (see below), whose sum is σ = 1854874752. Its totient is φ = 617569920.

The previous prime is 1158620143. The next prime is 1158620167. The reversal of 1158620145 is 5410268511.

It is not a de Polignac number, because 1158620145 - 2¹ = 1158620143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1158620143) 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, 5085 + ... + 48405.

It is an arithmetic number, because the mean of its divisors is an integer number (115929672).

Almost surely, 2^1158620145 is an apocalyptic number.

1158620145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1158620145 is a deficient number, since it is larger than the sum of its proper divisors (696254607).

1158620145 is a wasteful number, since it uses less digits than its factorization.

1158620145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45112.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 1158620145 is about 34038.5097352983. The cubic root of 1158620145 is about 1050.3007891094.

Adding to 1158620145 its reverse (5410268511), we get a palindrome (6568888656).

The spelling of 1158620145 in words is "one billion, one hundred fifty-eight million, six hundred twenty thousand, one hundred forty-five".