155020048 has 10 divisors (see below), whose sum is σ = 300351374. Its totient is φ = 77510016.

The previous prime is 155020039. The next prime is 155020049. The reversal of 155020048 is 840020551.

It can be written as a sum of positive squares in only one way, i.e., 153462544 + 1557504 = 12388^2 + 1248^2 .

It is not an unprimeable number, because it can be changed into a prime (155020049) by changing a digit.

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 as a sum of consecutive naturals, namely, 4844361 + ... + 4844392.

Almost surely, 2^155020048 is an apocalyptic number.

It is an amenable number.

155020048 is a deficient number, since it is larger than the sum of its proper divisors (145331326).

155020048 is an equidigital number, since it uses as much as digits as its factorization.

155020048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9688761 (or 9688755 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 155020048 is about 12450.7047190109. The cubic root of 155020048 is about 537.1916939687.

Adding to 155020048 its reverse (840020551), we get a palindrome (995040599).

The spelling of 155020048 in words is "one hundred fifty-five million, twenty thousand, forty-eight".