143640412255345 has 16 divisors (see below), whose sum is σ = 175202110110672. Its totient is φ = 113023422812160.

The previous prime is 143640412255313. The next prime is 143640412255381. The reversal of 143640412255345 is 543552214046341.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 14784614464 + 143625627640881 = 121592^2 + 11984391^2 .

It is not a de Polignac number, because 143640412255345 - 2⁵ = 143640412255313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3841512 + ... + 17379241.

It is an arithmetic number, because the mean of its divisors is an integer number (10950131881917).

Almost surely, 2^{143640412255345} is an apocalyptic number.

It is an amenable number.

143640412255345 is a deficient number, since it is larger than the sum of its proper divisors (31561697855327).

143640412255345 is a wasteful number, since it uses less digits than its factorization.

143640412255345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21243012.

The product of its (nonzero) digits is 6912000, while the sum is 49.

The spelling of 143640412255345 in words is "one hundred forty-three trillion, six hundred forty billion, four hundred twelve million, two hundred fifty-five thousand, three hundred forty-five".