145569248 has 48 divisors (see below), whose sum is σ = 321121584. Its totient is φ = 64373760.

The previous prime is 145569239. The next prime is 145569251. The reversal of 145569248 is 842965541.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 145569199 and 145569208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7436 + ... + 18612.

It is an arithmetic number, because the mean of its divisors is an integer number (6690033).

Almost surely, 2^145569248 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 145569248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160560792).

145569248 is an abundant number, since it is smaller than the sum of its proper divisors (175552336).

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

145569248 is a wasteful number, since it uses less digits than its factorization.

145569248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11235 (or 11227 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 145569248 is about 12065.2081623153. The cubic root of 145569248 is about 526.0453825051.

The spelling of 145569248 in words is "one hundred forty-five million, five hundred sixty-nine thousand, two hundred forty-eight".