145572548 has 12 divisors (see below), whose sum is σ = 277911312. Its totient is φ = 66169320.

The previous prime is 145572533. The next prime is 145572577. The reversal of 145572548 is 845275541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654190 + ... + 1654277.

It is an arithmetic number, because the mean of its divisors is an integer number (23159276).

Almost surely, 2^145572548 is an apocalyptic number.

It is an amenable number.

145572548 is a deficient number, since it is larger than the sum of its proper divisors (132338764).

145572548 is a wasteful number, since it uses less digits than its factorization.

145572548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308482 (or 3308480 counting only the distinct ones).

The product of its digits is 224000, while the sum is 41.

The square root of 145572548 is about 12065.3449184016. The cubic root of 145572548 is about 526.0493575585.

The spelling of 145572548 in words is "one hundred forty-five million, five hundred seventy-two thousand, five hundred forty-eight".