143669047369 has 9 divisors (see below), whose sum is σ = 148465174701. Its totient is φ = 139023190860.

The previous prime is 143669047363. The next prime is 143669047373. The reversal of 143669047369 is 963740966341.

The square root of 143669047369 is 379037.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 143669047369 - 2¹³ = 143669039177 is a prime.

It is a super-2 number, since 2×143669047369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143669047363) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11744034 + ... + 11756260.

Almost surely, 2^143669047369 is an apocalyptic number.

143669047369 is the 379037-th square number.

143669047369 is the 189519-th centered octagonal number.

It is an amenable number.

143669047369 is a deficient number, since it is larger than the sum of its proper divisors (4796127332).

143669047369 is an frugal number, since it uses more digits than its factorization.

143669047369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24516 (or 12258 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 58.

The spelling of 143669047369 in words is "one hundred forty-three billion, six hundred sixty-nine million, forty-seven thousand, three hundred sixty-nine".