145653248 has 80 divisors (see below), whose sum is σ = 318521280. Its totient is φ = 66134016.

The previous prime is 145653247. The next prime is 145653251. The reversal of 145653248 is 842356541.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145653247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525686 + ... + 525962.

It is an arithmetic number, because the mean of its divisors is an integer number (3981516).

Almost surely, 2^145653248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145653248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159260640).

145653248 is an abundant number, since it is smaller than the sum of its proper divisors (172868032).

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

145653248 is an equidigital number, since it uses as much as digits as its factorization.

145653248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 371 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 145653248 is about 12068.6887440185. The cubic root of 145653248 is about 526.1465469932.

The spelling of 145653248 in words is "one hundred forty-five million, six hundred fifty-three thousand, two hundred forty-eight".