426520145 has 8 divisors (see below), whose sum is σ = 520499520. Its totient is φ = 335432560.

The previous prime is 426520141. The next prime is 426520153. The reversal of 426520145 is 541025624.

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

It is not a de Polignac number, because 426520145 - 2² = 426520141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426520141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722621 + ... + 723210.

It is an arithmetic number, because the mean of its divisors is an integer number (65062440).

Almost surely, 2^426520145 is an apocalyptic number.

It is an amenable number.

426520145 is a deficient number, since it is larger than the sum of its proper divisors (93979375).

426520145 is a wasteful number, since it uses less digits than its factorization.

426520145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445895.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 426520145 is about 20652.3641503824. The cubic root of 426520145 is about 752.7426368837.

Adding to 426520145 its reverse (541025624), we get a palindrome (967545769).

The spelling of 426520145 in words is "four hundred twenty-six million, five hundred twenty thousand, one hundred forty-five".