145770648 has 32 divisors (see below), whose sum is σ = 385864560. Its totient is φ = 45731840.

The previous prime is 145770623. The next prime is 145770671. The reversal of 145770648 is 846077541.

145770648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178233 + ... + 179048.

Almost surely, 2^145770648 is an apocalyptic number.

It is an amenable number.

145770648 is an abundant number, since it is smaller than the sum of its proper divisors (240093912).

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

145770648 is a wasteful number, since it uses less digits than its factorization.

145770648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357307 (or 357303 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 145770648 is about 12073.5515901494. The cubic root of 145770648 is about 526.2878712616.

The spelling of 145770648 in words is "one hundred forty-five million, seven hundred seventy thousand, six hundred forty-eight".