145581848 has 16 divisors (see below), whose sum is σ = 275617680. Its totient is φ = 72083808.

The previous prime is 145581841. The next prime is 145581853. The reversal of 145581848 is 848185541.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 145581799 and 145581808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145581841) 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 in 3 ways as a sum of consecutive naturals, for example, 87515 + ... + 89162.

It is an arithmetic number, because the mean of its divisors is an integer number (17226105).

Almost surely, 2^145581848 is an apocalyptic number.

It is an amenable number.

145581848 is a deficient number, since it is larger than the sum of its proper divisors (130035832).

145581848 is a wasteful number, since it uses less digits than its factorization.

145581848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176786 (or 176782 counting only the distinct ones).

The product of its digits is 204800, while the sum is 44.

The square root of 145581848 is about 12065.7303135782. The cubic root of 145581848 is about 526.0605596588.

The spelling of 145581848 in words is "one hundred forty-five million, five hundred eighty-one thousand, eight hundred forty-eight".