48199545 has 24 divisors (see below), whose sum is σ = 83922696. Its totient is φ = 25590528.

The previous prime is 48199507. The next prime is 48199549. The reversal of 48199545 is 54599184.

It can be written as a sum of positive squares in 4 ways, for example, as 423801 + 47775744 = 651^2 + 6912^2 .

It is not a de Polignac number, because 48199545 - 2¹¹ = 48197497 is a prime.

It is a super-2 number, since 2×48199545² = 4646392276414050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 48199545.

It is not an unprimeable number, because it can be changed into a prime (48199549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8187 + ... + 12783.

It is an arithmetic number, because the mean of its divisors is an integer number (3496779).

Almost surely, 2^48199545 is an apocalyptic number.

48199545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48199545 is a deficient number, since it is larger than the sum of its proper divisors (35723151).

48199545 is a wasteful number, since it uses less digits than its factorization.

48199545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4841 (or 4838 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 48199545 is about 6942.5892144070. The cubic root of 48199545 is about 363.9270297112.

The spelling of 48199545 in words is "forty-eight million, one hundred ninety-nine thousand, five hundred forty-five".