1156150165 has 8 divisors (see below), whose sum is σ = 1392117048. Its totient is φ = 921762240.

The previous prime is 1156150147. The next prime is 1156150169. The reversal of 1156150165 is 5610516511.

It can be written as a sum of positive squares in 4 ways, for example, as 180150084 + 976000081 = 13422^2 + 31241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1156150165 - 2¹⁵ = 1156117397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156150169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393126 + ... + 396055.

It is an arithmetic number, because the mean of its divisors is an integer number (174014631).

Almost surely, 2^1156150165 is an apocalyptic number.

It is an amenable number.

1156150165 is a deficient number, since it is larger than the sum of its proper divisors (235966883).

1156150165 is an equidigital number, since it uses as much as digits as its factorization.

1156150165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789479.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 1156150165 is about 34002.2082371131. The cubic root of 1156150165 is about 1049.5539042280.

Adding to 1156150165 its reverse (5610516511), we get a palindrome (6766666676).

It can be divided in two parts, 1156 and 150165, that added together give a square (151321 = 389²).

The spelling of 1156150165 in words is "one billion, one hundred fifty-six million, one hundred fifty thousand, one hundred sixty-five".