158838145 has 24 divisors (see below), whose sum is σ = 198417384. Its totient is φ = 122040576.

The previous prime is 158838139. The next prime is 158838181. The reversal of 158838145 is 541838851.

It can be written as a sum of positive squares in 4 ways, for example, as 62346816 + 96491329 = 7896^2 + 9823^2 .

It is not a de Polignac number, because 158838145 - 2¹³ = 158829953 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 806187 + ... + 806383.

It is an arithmetic number, because the mean of its divisors is an integer number (8267391).

Almost surely, 2^158838145 is an apocalyptic number.

It is an amenable number.

158838145 is a deficient number, since it is larger than the sum of its proper divisors (39579239).

158838145 is an equidigital number, since it uses as much as digits as its factorization.

158838145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 322 counting only the distinct ones).

The product of its digits is 153600, while the sum is 43.

The square root of 158838145 is about 12603.1006105641. The cubic root of 158838145 is about 541.5662631523.

The spelling of 158838145 in words is "one hundred fifty-eight million, eight hundred thirty-eight thousand, one hundred forty-five".