145490344 has 16 divisors (see below), whose sum is σ = 273107520. Its totient is φ = 72661680.

The previous prime is 145490339. The next prime is 145490351. The reversal of 145490344 is 443094541.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2694 + ... + 17269.

It is an arithmetic number, because the mean of its divisors is an integer number (17069220).

Almost surely, 2^145490344 is an apocalyptic number.

It is an amenable number.

145490344 is a deficient number, since it is larger than the sum of its proper divisors (127617176).

145490344 is a wasteful number, since it uses less digits than its factorization.

145490344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20880 (or 20876 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 145490344 is about 12061.9378210966. The cubic root of 145490344 is about 525.9503198753.

The spelling of 145490344 in words is "one hundred forty-five million, four hundred ninety thousand, three hundred forty-four".