155831148 has 48 divisors (see below), whose sum is σ = 440737920. Its totient is φ = 47221200.

The previous prime is 155831147. The next prime is 155831153. The reversal of 155831148 is 841138551.

155831148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (155831147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64398 + ... + 66773.

It is an arithmetic number, because the mean of its divisors is an integer number (9182040).

Almost surely, 2^155831148 is an apocalyptic number.

155831148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

155831148 is an abundant number, since it is smaller than the sum of its proper divisors (284906772).

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

155831148 is a wasteful number, since it uses less digits than its factorization.

155831148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131195 (or 131187 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 155831148 is about 12483.2346769577. The cubic root of 155831148 is about 538.1269675413.

Adding to 155831148 its reverse (841138551), we get a palindrome (996969699).

The spelling of 155831148 in words is "one hundred fifty-five million, eight hundred thirty-one thousand, one hundred forty-eight".