155340120 has 64 divisors (see below), whose sum is σ = 501873120. Its totient is φ = 38237184.

The previous prime is 155340113. The next prime is 155340167. The reversal of 155340120 is 21043551.

155340120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×155340120² = 48261105763228800, which contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 48229 + ... + 51348.

Almost surely, 2^155340120 is an apocalyptic number.

155340120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155340120 is an abundant number, since it is smaller than the sum of its proper divisors (346533000).

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

155340120 is a wasteful number, since it uses less digits than its factorization.

155340120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99604 (or 99600 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 155340120 is about 12463.5516607426. The cubic root of 155340120 is about 537.5611554718.

Adding to 155340120 its reverse (21043551), we get a palindrome (176383671).

The spelling of 155340120 in words is "one hundred fifty-five million, three hundred forty thousand, one hundred twenty".