424520326145 has 8 divisors (see below), whose sum is σ = 515148261480. Its totient is φ = 335800347520.

The previous prime is 424520326123. The next prime is 424520326151. The reversal of 424520326145 is 541623025424.

It can be written as a sum of positive squares in 4 ways, for example, as 9950461504 + 414569864641 = 99752^2 + 643871^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-424520326145 is a prime.

It is a super-2 number, since 2×424520326145² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424520326099 and 424520326108.

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, 476988686 + ... + 476989575.

It is an arithmetic number, because the mean of its divisors is an integer number (64393532685).

Almost surely, 2^424520326145 is an apocalyptic number.

It is an amenable number.

424520326145 is a deficient number, since it is larger than the sum of its proper divisors (90627935335).

424520326145 is an equidigital number, since it uses as much as digits as its factorization.

424520326145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953978355.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 424520326145 in words is "four hundred twenty-four billion, five hundred twenty million, three hundred twenty-six thousand, one hundred forty-five".