144031346 has 4 divisors (see below), whose sum is σ = 216047022. Its totient is φ = 72015672.

The previous prime is 144031337. The next prime is 144031387. The reversal of 144031346 is 643130441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 143880025 + 151321 = 11995^2 + 389^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36007835 + ... + 36007838.

Almost surely, 2^144031346 is an apocalyptic number.

144031346 is a deficient number, since it is larger than the sum of its proper divisors (72015676).

144031346 is an equidigital number, since it uses as much as digits as its factorization.

144031346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72015675.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 144031346 is about 12001.3060122638. The cubic root of 144031346 is about 524.1863083787.

Adding to 144031346 its reverse (643130441), we get a palindrome (787161787).

The spelling of 144031346 in words is "one hundred forty-four million, thirty-one thousand, three hundred forty-six".