145787244 has 24 divisors (see below), whose sum is σ = 341956608. Its totient is φ = 48340560.

The previous prime is 145787227. The next prime is 145787281. The reversal of 145787244 is 442787541.

It is a junction number, because it is equal to n+sod(n) for n = 145787196 and 145787205.

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 7 ways as a sum of consecutive naturals, for example, 29512 + ... + 34095.

It is an arithmetic number, because the mean of its divisors is an integer number (14248192).

Almost surely, 2^145787244 is an apocalyptic number.

It is an amenable number.

145787244 is an abundant number, since it is smaller than the sum of its proper divisors (196169364).

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

145787244 is a wasteful number, since it uses less digits than its factorization.

145787244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63805 (or 63803 counting only the distinct ones).

The product of its digits is 250880, while the sum is 42.

The square root of 145787244 is about 12074.2388579985. The cubic root of 145787244 is about 526.3078431425.

The spelling of 145787244 in words is "one hundred forty-five million, seven hundred eighty-seven thousand, two hundred forty-four".