1548851141 has 2 divisors, whose sum is σ = 1548851142. Its totient is φ = 1548851140.

The previous prime is 1548851077. The next prime is 1548851179. The reversal of 1548851141 is 1411588451.

It is an a-pointer prime, because the next prime (1548851179) can be obtained adding 1548851141 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1540562500 + 8288641 = 39250^2 + 2879^2 .

It is a cyclic number.

It is not a de Polignac number, because 1548851141 - 2⁶ = 1548851077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1548851095 and 1548851104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1548851641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 774425570 + 774425571.

It is an arithmetic number, because the mean of its divisors is an integer number (774425571).

Almost surely, 2^1548851141 is an apocalyptic number.

It is an amenable number.

1548851141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1548851141 is an equidigital number, since it uses as much as digits as its factorization.

1548851141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25600, while the sum is 38.

The square root of 1548851141 is about 39355.4461415444. The cubic root of 1548851141 is about 1157.0085279381.

The spelling of 1548851141 in words is "one billion, five hundred forty-eight million, eight hundred fifty-one thousand, one hundred forty-one".