144351346 has 16 divisors (see below), whose sum is σ = 219101760. Its totient is φ = 71321040.

The previous prime is 144351331. The next prime is 144351353. The reversal of 144351346 is 643153441.

It is a happy number.

It is a super-2 number, since 2×144351346² = 41674622184023432, which contains 22 as substring.

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, 134500 + ... + 135568.

It is an arithmetic number, because the mean of its divisors is an integer number (13693860).

Almost surely, 2^144351346 is an apocalyptic number.

144351346 is a deficient number, since it is larger than the sum of its proper divisors (74750414).

144351346 is a wasteful number, since it uses less digits than its factorization.

144351346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809.

The product of its digits is 17280, while the sum is 31.

The square root of 144351346 is about 12014.6304978555. The cubic root of 144351346 is about 524.5742228892.

The spelling of 144351346 in words is "one hundred forty-four million, three hundred fifty-one thousand, three hundred forty-six".