158344040 has 16 divisors (see below), whose sum is σ = 356274180. Its totient is φ = 63337600.

The previous prime is 158344033. The next prime is 158344051. The reversal of 158344040 is 40443851.

It can be written as a sum of positive squares in 2 ways, for example, as 156100036 + 2244004 = 12494^2 + 1498^2 .

It is a junction number, because it is equal to n+sod(n) for n = 158343994 and 158344012.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1979261 + ... + 1979340.

Almost surely, 2^158344040 is an apocalyptic number.

158344040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158344040 is an abundant number, since it is smaller than the sum of its proper divisors (197930140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158344040 is a wasteful number, since it uses less digits than its factorization.

158344040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958612 (or 3958608 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 158344040 is about 12583.4828247191. The cubic root of 158344040 is about 541.0041216346.

Adding to 158344040 its reverse (40443851), we get a palindrome (198787891).

The spelling of 158344040 in words is "one hundred fifty-eight million, three hundred forty-four thousand, forty".