144993562 has 32 divisors (see below), whose sum is σ = 261532800. Its totient is φ = 58970688.

The previous prime is 144993517. The next prime is 144993571. The reversal of 144993562 is 265399441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20928 + ... + 26980.

It is an arithmetic number, because the mean of its divisors is an integer number (8172900).

Almost surely, 2^144993562 is an apocalyptic number.

144993562 is a deficient number, since it is larger than the sum of its proper divisors (116539238).

144993562 is a wasteful number, since it uses less digits than its factorization.

144993562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150.

The product of its digits is 233280, while the sum is 43.

The square root of 144993562 is about 12041.3272524253. The cubic root of 144993562 is about 525.3510118242.

The spelling of 144993562 in words is "one hundred forty-four million, nine hundred ninety-three thousand, five hundred sixty-two".