143020545405 has 64 divisors (see below), whose sum is σ = 240849227520. Its totient is φ = 72366336000.

The previous prime is 143020545401. The next prime is 143020545427. The reversal of 143020545405 is 504545020341.

It is not a de Polignac number, because 143020545405 - 2² = 143020545401 is a prime.

It is a super-2 number, since 2×143020545405² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143020545401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34042305 + ... + 34046505.

It is an arithmetic number, because the mean of its divisors is an integer number (3763269180).

Almost surely, 2^143020545405 is an apocalyptic number.

143020545405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143020545405 is a deficient number, since it is larger than the sum of its proper divisors (97828682115).

143020545405 is a wasteful number, since it uses less digits than its factorization.

143020545405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 143020545405 its reverse (504545020341), we get a palindrome (647565565746).

The spelling of 143020545405 in words is "one hundred forty-three billion, twenty million, five hundred forty-five thousand, four hundred five".