145541424 has 160 divisors (see below), whose sum is σ = 461399040. Its totient is φ = 38624256.

The previous prime is 145541371. The next prime is 145541441. The reversal of 145541424 is 424145541.

It is a junction number, because it is equal to n+sod(n) for n = 145541391 and 145541400.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 285682 + ... + 286190.

It is an arithmetic number, because the mean of its divisors is an integer number (2883744).

Almost surely, 2^145541424 is an apocalyptic number.

145541424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145541424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230699520).

145541424 is an abundant number, since it is smaller than the sum of its proper divisors (315857616).

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

145541424 is a wasteful number, since it uses less digits than its factorization.

145541424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 581 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 145541424 is about 12064.0550396622. The cubic root of 145541424 is about 526.0118643924.

Adding to 145541424 its reverse (424145541), we get a palindrome (569686965).

The spelling of 145541424 in words is "one hundred forty-five million, five hundred forty-one thousand, four hundred twenty-four".