548138152 has 8 divisors (see below), whose sum is σ = 1027759050. Its totient is φ = 274069072.

The previous prime is 548138147. The next prime is 548138179. The reversal of 548138152 is 251831845.

It can be written as a sum of positive squares in only one way, i.e., 306460036 + 241678116 = 17506^2 + 15546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34258627 + ... + 34258642.

Almost surely, 2^548138152 is an apocalyptic number.

It is an amenable number.

548138152 is a deficient number, since it is larger than the sum of its proper divisors (479620898).

548138152 is a wasteful number, since it uses less digits than its factorization.

548138152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68517275 (or 68517271 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The square root of 548138152 is about 23412.3504159664. The cubic root of 548138152 is about 818.3957092539.

Adding to 548138152 its reverse (251831845), we get a palindrome (799969997).

The spelling of 548138152 in words is "five hundred forty-eight million, one hundred thirty-eight thousand, one hundred fifty-two".