4012431545 has 32 divisors (see below), whose sum is σ = 5177696256. Its totient is φ = 2974336000.

The previous prime is 4012431541. The next prime is 4012431569. The reversal of 4012431545 is 5451342104.

It is not a de Polignac number, because 4012431545 - 2² = 4012431541 is a prime.

It is a super-2 number, since 2×4012431545² = 32199213806622174050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4012431541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1638512 + ... + 1640958.

It is an arithmetic number, because the mean of its divisors is an integer number (161803008).

Almost surely, 2^4012431545 is an apocalyptic number.

It is an amenable number.

4012431545 is a deficient number, since it is larger than the sum of its proper divisors (1165264711).

4012431545 is a wasteful number, since it uses less digits than its factorization.

4012431545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761.

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

The square root of 4012431545 is about 63343.7569536257. The cubic root of 4012431545 is about 1589.0438385780.

Adding to 4012431545 its reverse (5451342104), we get a palindrome (9463773649).

The spelling of 4012431545 in words is "four billion, twelve million, four hundred thirty-one thousand, five hundred forty-five".