145180424 has 16 divisors (see below), whose sum is σ = 276277200. Its totient is φ = 71506512.

The previous prime is 145180423. The next prime is 145180481. The reversal of 145180424 is 424081541.

It is not an unprimeable number, because it can be changed into a prime (145180421) 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, 134894 + ... + 135965.

It is an arithmetic number, because the mean of its divisors is an integer number (17267325).

Almost surely, 2^145180424 is an apocalyptic number.

It is an amenable number.

145180424 is a deficient number, since it is larger than the sum of its proper divisors (131096776).

145180424 is a wasteful number, since it uses less digits than its factorization.

145180424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270932 (or 270928 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 145180424 is about 12049.0839485830. The cubic root of 145180424 is about 525.5765988499.

The spelling of 145180424 in words is "one hundred forty-five million, one hundred eighty thousand, four hundred twenty-four".