155503234148 has 6 divisors (see below), whose sum is σ = 272130659766. Its totient is φ = 77751617072.

The previous prime is 155503234147. The next prime is 155503234153. The reversal of 155503234148 is 841432305551.

It can be written as a sum of positive squares in only one way, i.e., 93142156864 + 62361077284 = 305192^2 + 249722^2 .

It is not an unprimeable number, because it can be changed into a prime (155503234147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19437904265 + ... + 19437904272.

It is an arithmetic number, because the mean of its divisors is an integer number (45355109961).

Almost surely, 2^155503234148 is an apocalyptic number.

It is an amenable number.

155503234148 is a deficient number, since it is larger than the sum of its proper divisors (116627425618).

155503234148 is a wasteful number, since it uses less digits than its factorization.

155503234148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38875808541 (or 38875808539 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 155503234148 its reverse (841432305551), we get a palindrome (996935539699).

The spelling of 155503234148 in words is "one hundred fifty-five billion, five hundred three million, two hundred thirty-four thousand, one hundred forty-eight".