145525424 has 20 divisors (see below), whose sum is σ = 307588200. Its totient is φ = 66147840.

The previous prime is 145525421. The next prime is 145525433. The reversal of 145525424 is 424525541.

It is not an unprimeable number, because it can be changed into a prime (145525421) 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 3 ways as a sum of consecutive naturals, for example, 413249 + ... + 413600.

It is an arithmetic number, because the mean of its divisors is an integer number (15379410).

Almost surely, 2^145525424 is an apocalyptic number.

It is an amenable number.

145525424 is an abundant number, since it is smaller than the sum of its proper divisors (162062776).

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

145525424 is a wasteful number, since it uses less digits than its factorization.

145525424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826868 (or 826862 counting only the distinct ones).

The product of its digits is 32000, while the sum is 32.

The square root of 145525424 is about 12063.3918944881. The cubic root of 145525424 is about 525.9925880974.

The spelling of 145525424 in words is "one hundred forty-five million, five hundred twenty-five thousand, four hundred twenty-four".