145255344 has 80 divisors (see below), whose sum is σ = 427910112. Its totient is φ = 42061824.

The previous prime is 145255343. The next prime is 145255379. The reversal of 145255344 is 443552541.

145255344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145255344² = 42198229921116672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145255343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3762 + ... + 17454.

Almost surely, 2^145255344 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 145255344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213955056).

145255344 is an abundant number, since it is smaller than the sum of its proper divisors (282654768).

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

145255344 is a wasteful number, since it uses less digits than its factorization.

145255344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13734 (or 13728 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 145255344 is about 12052.1924976330. The cubic root of 145255344 is about 525.6669908056. Note that the first 3 decimals are identical.

The spelling of 145255344 in words is "one hundred forty-five million, two hundred fifty-five thousand, three hundred forty-four".