424012205145 has 16 divisors (see below), whose sum is σ = 685136555712. Its totient is φ = 223900833600.

The previous prime is 424012205117. The next prime is 424012205147. The reversal of 424012205145 is 541502210424.

It is not a de Polignac number, because 424012205145 - 2⁹ = 424012204633 is a prime.

It is a super-2 number, since 2×424012205145² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (424012205147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139936507 + ... + 139939536.

It is an arithmetic number, because the mean of its divisors is an integer number (42821034732).

Almost surely, 2^424012205145 is an apocalyptic number.

It is an amenable number.

424012205145 is a deficient number, since it is larger than the sum of its proper divisors (261124350567).

424012205145 is a wasteful number, since it uses less digits than its factorization.

424012205145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279876152.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 424012205145 its reverse (541502210424), we get a palindrome (965514415569).

The spelling of 424012205145 in words is "four hundred twenty-four billion, twelve million, two hundred five thousand, one hundred forty-five".