156426354044465 has 8 divisors (see below), whose sum is σ = 188179733645928. Its totient is φ = 124829010707200.

The previous prime is 156426354044447. The next prime is 156426354044507. The reversal of 156426354044465 is 564440453624651.

It can be written as a sum of positive squares in 4 ways, for example, as 78839553338896 + 77586800705569 = 8879164^2 + 8808337^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 156426354044465 - 2²⁰ = 156426352995889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39009063842 + ... + 39009067851.

It is an arithmetic number, because the mean of its divisors is an integer number (23522466705741).

Almost surely, 2^{156426354044465} is an apocalyptic number.

It is an amenable number.

156426354044465 is a deficient number, since it is larger than the sum of its proper divisors (31753379601463).

156426354044465 is an equidigital number, since it uses as much as digits as its factorization.

156426354044465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78018132099.

The product of its (nonzero) digits is 165888000, while the sum is 59.

The spelling of 156426354044465 in words is "one hundred fifty-six trillion, four hundred twenty-six billion, three hundred fifty-four million, forty-four thousand, four hundred sixty-five".