145572648 has 32 divisors (see below), whose sum is σ = 391927200. Its totient is φ = 44791488.

The previous prime is 145572643. The next prime is 145572659. The reversal of 145572648 is 846275541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145572643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 232978 + ... + 233601.

It is an arithmetic number, because the mean of its divisors is an integer number (12247725).

Almost surely, 2^145572648 is an apocalyptic number.

It is an amenable number.

145572648 is an abundant number, since it is smaller than the sum of its proper divisors (246354552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145572648 is a wasteful number, since it uses less digits than its factorization.

145572648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466601 (or 466597 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 145572648 is about 12065.3490625013. The cubic root of 145572648 is about 526.0494780138.

It can be divided in two parts, 14557 and 2648, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 145572648 in words is "one hundred forty-five million, five hundred seventy-two thousand, six hundred forty-eight".