144899942 has 16 divisors (see below), whose sum is σ = 251057232. Its totient is φ = 61989120.

The previous prime is 144899917. The next prime is 144899957. The reversal of 144899942 is 249998441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193343 + ... + 194090.

It is an arithmetic number, because the mean of its divisors is an integer number (15691077).

Almost surely, 2^144899942 is an apocalyptic number.

144899942 is a deficient number, since it is larger than the sum of its proper divisors (106157290).

144899942 is a wasteful number, since it uses less digits than its factorization.

144899942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387463.

The product of its digits is 746496, while the sum is 50.

The square root of 144899942 is about 12037.4391794933. The cubic root of 144899942 is about 525.2379172599.

The spelling of 144899942 in words is "one hundred forty-four million, eight hundred ninety-nine thousand, nine hundred forty-two".