144315457 has 8 divisors (see below), whose sum is σ = 169545600. Its totient is φ = 121103760.

The previous prime is 144315443. The next prime is 144315461. The reversal of 144315457 is 754513441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144315457 - 2¹⁹ = 143791169 is a prime.

It is a super-2 number, since 2×144315457² = 41653902258237698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144315407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504457 + ... + 504742.

It is an arithmetic number, because the mean of its divisors is an integer number (21193200).

Almost surely, 2^144315457 is an apocalyptic number.

It is an amenable number.

144315457 is a deficient number, since it is larger than the sum of its proper divisors (25230143).

144315457 is a wasteful number, since it uses less digits than its factorization.

144315457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009223.

The product of its digits is 33600, while the sum is 34.

The square root of 144315457 is about 12013.1368509644. The cubic root of 144315457 is about 524.5307456252.

Adding to 144315457 its reverse (754513441), we get a palindrome (898828898).

It can be divided in two parts, 1443 and 15457, that added together give a square (16900 = 130²).

The spelling of 144315457 in words is "one hundred forty-four million, three hundred fifteen thousand, four hundred fifty-seven".