145253344 has 48 divisors (see below), whose sum is σ = 297727920. Its totient is φ = 69672960.

The previous prime is 145253341. The next prime is 145253357. The reversal of 145253344 is 443352541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145253341) 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, 178699 + ... + 179509.

It is an arithmetic number, because the mean of its divisors is an integer number (6202665).

Almost surely, 2^145253344 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 145253344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148863960).

145253344 is an abundant number, since it is smaller than the sum of its proper divisors (152474576).

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

145253344 is a wasteful number, since it uses less digits than its factorization.

145253344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1035 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 145253344 is about 12052.1095248923. The cubic root of 145253344 is about 525.6645781834.

The spelling of 145253344 in words is "one hundred forty-five million, two hundred fifty-three thousand, three hundred forty-four".