155400048 has 60 divisors (see below), whose sum is σ = 444176928. Its totient is φ = 50695680.

The previous prime is 155400017. The next prime is 155400061. The reversal of 155400048 is 840004551.

It is a junction number, because it is equal to n+sod(n) for n = 155399994 and 155400030.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4713 + ... + 18248.

Almost surely, 2^155400048 is an apocalyptic number.

155400048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

155400048 is an abundant number, since it is smaller than the sum of its proper divisors (288776880).

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

155400048 is a wasteful number, since it uses less digits than its factorization.

155400048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23022 (or 23013 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 155400048 is about 12465.9555590416. The cubic root of 155400048 is about 537.6302743899.

Adding to 155400048 its reverse (840004551), we get a palindrome (995404599).

The spelling of 155400048 in words is "one hundred fifty-five million, four hundred thousand, forty-eight".