431542045 has 16 divisors (see below), whose sum is σ = 566766720. Its totient is φ = 312827200.

The previous prime is 431542019. The next prime is 431542049. The reversal of 431542045 is 540245134.

It is not a de Polignac number, because 431542045 - 2¹⁵ = 431509277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431542049) 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 15 ways as a sum of consecutive naturals, for example, 4491 + ... + 29719.

It is an arithmetic number, because the mean of its divisors is an integer number (35422920).

Almost surely, 2^431542045 is an apocalyptic number.

It is an amenable number.

431542045 is a deficient number, since it is larger than the sum of its proper divisors (135224675).

431542045 is a wasteful number, since it uses less digits than its factorization.

431542045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25556.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 431542045 is about 20773.5900845280. The cubic root of 431542045 is about 755.6854118124.

Adding to 431542045 its reverse (540245134), we get a palindrome (971787179).

It can be divided in two parts, 4315 and 42045, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 431542045 in words is "four hundred thirty-one million, five hundred forty-two thousand, forty-five".