148545 has 12 divisors (see below), whose sum is σ = 257556. Its totient is φ = 79200.

The previous prime is 148537. The next prime is 148549. The reversal of 148545 is 545841.

It can be written as a sum of positive squares in 2 ways, for example, as 41616 + 106929 = 204^2 + 327^2 .

It is not a de Polignac number, because 148545 - 2³ = 148537 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 148545.

It is not an unprimeable number, because it can be changed into a prime (148549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1606 + ... + 1695.

It is an arithmetic number, because the mean of its divisors is an integer number (21463).

2¹⁴⁸⁵⁴⁵ is an apocalyptic number.

148545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148545 is a deficient number, since it is larger than the sum of its proper divisors (109011).

148545 is a wasteful number, since it uses less digits than its factorization.

148545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312 (or 3309 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 148545 is about 385.4153603581. The cubic root of 148545 is about 52.9605735023.

The spelling of 148545 in words is "one hundred forty-eight thousand, five hundred forty-five".