42231433545 has 48 divisors (see below), whose sum is σ = 83696101632. Its totient is φ = 19297111680.

The previous prime is 42231433469. The next prime is 42231433547. The reversal of 42231433545 is 54533413224.

42231433545 is a `hidden beast` number, since 4 + 2 + 2 + 314 + 335 + 4 + 5 = 666.

It is not a de Polignac number, because 42231433545 - 2¹⁵ = 42231400777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42231433547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 698959 + ... + 756971.

It is an arithmetic number, because the mean of its divisors is an integer number (1743668784).

Almost surely, 2^42231433545 is an apocalyptic number.

42231433545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42231433545 is a deficient number, since it is larger than the sum of its proper divisors (41464668087).

42231433545 is a wasteful number, since it uses less digits than its factorization.

42231433545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60342 (or 60339 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 42231433545 its reverse (54533413224), we get a palindrome (96764846769).

The spelling of 42231433545 in words is "forty-two billion, two hundred thirty-one million, four hundred thirty-three thousand, five hundred forty-five".