426145023442 has 8 divisors (see below), whose sum is σ = 656493684876. Its totient is φ = 207313795152.

The previous prime is 426145023401. The next prime is 426145023443. The reversal of 426145023442 is 244320541624.

It can be written as a sum of positive squares in 2 ways, for example, as 391474211041 + 34670812401 = 625679^2 + 186201^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (426145023443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2879358193 + ... + 2879358340.

Almost surely, 2^426145023442 is an apocalyptic number.

426145023442 is a deficient number, since it is larger than the sum of its proper divisors (230348661434).

426145023442 is a wasteful number, since it uses less digits than its factorization.

426145023442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758716572.

The product of its (nonzero) digits is 184320, while the sum is 37.

The spelling of 426145023442 in words is "four hundred twenty-six billion, one hundred forty-five million, twenty-three thousand, four hundred forty-two".