158344011 has 32 divisors (see below), whose sum is σ = 268715520. Its totient is φ = 90273312.

The previous prime is 158344007. The next prime is 158344027. The reversal of 158344011 is 110443851.

It is a happy number.

It is not a de Polignac number, because 158344011 - 2² = 158344007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (158344051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122776 + ... + 124058.

It is an arithmetic number, because the mean of its divisors is an integer number (8397360).

Almost surely, 2^158344011 is an apocalyptic number.

158344011 is a deficient number, since it is larger than the sum of its proper divisors (110371509).

158344011 is a wasteful number, since it uses less digits than its factorization.

158344011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 158344011 is about 12583.4816724148. The cubic root of 158344011 is about 541.0040886071.

Adding to 158344011 its reverse (110443851), we get a palindrome (268787862).

The spelling of 158344011 in words is "one hundred fifty-eight million, three hundred forty-four thousand, eleven".