1490335143 has 32 divisors (see below), whose sum is σ = 2284899840. Its totient is φ = 855603840.

The previous prime is 1490335123. The next prime is 1490335153. The reversal of 1490335143 is 3415330941.

It is a happy number.

It is not a de Polignac number, because 1490335143 - 2¹² = 1490331047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490335123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36030 + ... + 65412.

It is an arithmetic number, because the mean of its divisors is an integer number (71403120).

Almost surely, 2^1490335143 is an apocalyptic number.

1490335143 is a deficient number, since it is larger than the sum of its proper divisors (794564697).

1490335143 is a wasteful number, since it uses less digits than its factorization.

1490335143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29479.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 1490335143 is about 38604.8590594500. The cubic root of 1490335143 is about 1142.2503877821.

It can be divided in two parts, 1490 and 335143, that added together give a palindrome (336633).

The spelling of 1490335143 in words is "one billion, four hundred ninety million, three hundred thirty-five thousand, one hundred forty-three".