155340112 has 10 divisors (see below), whose sum is σ = 300971498. Its totient is φ = 77670048.

The previous prime is 155340079. The next prime is 155340113. The reversal of 155340112 is 211043551.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 137733696 + 17606416 = 11736^2 + 4196^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155340113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4854363 + ... + 4854394.

Almost surely, 2^155340112 is an apocalyptic number.

It is an amenable number.

155340112 is a deficient number, since it is larger than the sum of its proper divisors (145631386).

155340112 is an equidigital number, since it uses as much as digits as its factorization.

155340112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9708765 (or 9708759 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 155340112 is about 12463.5513398068. The cubic root of 155340112 is about 537.5611462436.

Adding to 155340112 its reverse (211043551), we get a palindrome (366383663).

The spelling of 155340112 in words is "one hundred fifty-five million, three hundred forty thousand, one hundred twelve".