143738990503 has 4 divisors (see below), whose sum is σ = 147081757768. Its totient is φ = 140396223240.

The previous prime is 143738990467. The next prime is 143738990581. The reversal of 143738990503 is 305099837341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305099837341 = 13 ⋅23469218257.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143738990503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143738997503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1671383568 + ... + 1671383653.

It is an arithmetic number, because the mean of its divisors is an integer number (36770439442).

Almost surely, 2^143738990503 is an apocalyptic number.

143738990503 is a deficient number, since it is larger than the sum of its proper divisors (3342767265).

143738990503 is an equidigital number, since it uses as much as digits as its factorization.

143738990503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342767264.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 143738990503 in words is "one hundred forty-three billion, seven hundred thirty-eight million, nine hundred ninety thousand, five hundred three".