158618145 has 48 divisors (see below), whose sum is σ = 299723328. Its totient is φ = 71406720.

The previous prime is 158618129. The next prime is 158618147. The reversal of 158618145 is 541816851.

It is not a de Polignac number, because 158618145 - 2⁴ = 158618129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158618147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47635 + ... + 50855.

It is an arithmetic number, because the mean of its divisors is an integer number (6244236).

Almost surely, 2^158618145 is an apocalyptic number.

158618145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158618145 is a deficient number, since it is larger than the sum of its proper divisors (141105183).

158618145 is a wasteful number, since it uses less digits than its factorization.

158618145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310 (or 3303 counting only the distinct ones).

The product of its digits is 38400, while the sum is 39.

The square root of 158618145 is about 12594.3695753301. The cubic root of 158618145 is about 541.3161141141.

The spelling of 158618145 in words is "one hundred fifty-eight million, six hundred eighteen thousand, one hundred forty-five".