145648275 has 24 divisors (see below), whose sum is σ = 241573824. Its totient is φ = 77431200.

The previous prime is 145648241. The next prime is 145648291. The reversal of 145648275 is 572846541.

It is a happy number.

145648275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145648275 - 2⁷ = 145648147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21892 + ... + 27758.

It is an arithmetic number, because the mean of its divisors is an integer number (10065576).

Almost surely, 2^145648275 is an apocalyptic number.

145648275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145648275 is a deficient number, since it is larger than the sum of its proper divisors (95925549).

145648275 is a wasteful number, since it uses less digits than its factorization.

145648275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211 (or 6206 counting only the distinct ones).

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

The square root of 145648275 is about 12068.4827132494. The cubic root of 145648275 is about 526.1405588980.

The spelling of 145648275 in words is "one hundred forty-five million, six hundred forty-eight thousand, two hundred seventy-five".