345143402537 has 4 divisors (see below), whose sum is σ = 345149773056. Its totient is φ = 345137032020.

The previous prime is 345143402521. The next prime is 345143402543. The reversal of 345143402537 is 735204341543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345143402537 - 2⁴ = 345143402521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345143402494 and 345143402503.

It is not an unprimeable number, because it can be changed into a prime (345143432537) 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, 3103289 + ... + 3212582.

It is an arithmetic number, because the mean of its divisors is an integer number (86287443264).

Almost surely, 2^345143402537 is an apocalyptic number.

It is an amenable number.

345143402537 is a deficient number, since it is larger than the sum of its proper divisors (6370519).

345143402537 is an equidigital number, since it uses as much as digits as its factorization.

345143402537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370518.

The product of its (nonzero) digits is 604800, while the sum is 41.

The spelling of 345143402537 in words is "three hundred forty-five billion, one hundred forty-three million, four hundred two thousand, five hundred thirty-seven".