145849924 has 24 divisors (see below), whose sum is σ = 281802528. Its totient is φ = 65495040.

The previous prime is 145849901. The next prime is 145849927. The reversal of 145849924 is 429948541.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (145849927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16317 + ... + 23620.

It is an arithmetic number, because the mean of its divisors is an integer number (11741772).

Almost surely, 2^145849924 is an apocalyptic number.

It is an amenable number.

145849924 is a deficient number, since it is larger than the sum of its proper divisors (135952604).

145849924 is a wasteful number, since it uses less digits than its factorization.

145849924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40035 (or 40033 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 145849924 is about 12076.8341878159. The cubic root of 145849924 is about 526.3832595462.

The spelling of 145849924 in words is "one hundred forty-five million, eight hundred forty-nine thousand, nine hundred twenty-four".