145541144 has 32 divisors (see below), whose sum is σ = 319485600. Its totient is φ = 60852480.

The previous prime is 145541087. The next prime is 145541161. The reversal of 145541144 is 441145541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29399 + ... + 33990.

It is an arithmetic number, because the mean of its divisors is an integer number (9983925).

Almost surely, 2^145541144 is an apocalyptic number.

145541144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145541144 is an abundant number, since it is smaller than the sum of its proper divisors (173944456).

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

145541144 is a wasteful number, since it uses less digits than its factorization.

145541144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63443 (or 63439 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 145541144 is about 12064.0434349351. The cubic root of 145541144 is about 526.0115270694.

Adding to 145541144 its reverse (441145541), we get a palindrome (586686685).

The spelling of 145541144 in words is "one hundred forty-five million, five hundred forty-one thousand, one hundred forty-four".