4155432451 has 12 divisors (see below), whose sum is σ = 4521925800. Its totient is φ = 3815594240.

The previous prime is 4155432431. The next prime is 4155432473. The reversal of 4155432451 is 1542345514.

It is not a de Polignac number, because 4155432451 - 2¹⁵ = 4155399683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4155432431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163501 + ... + 187198.

It is an arithmetic number, because the mean of its divisors is an integer number (376827150).

Almost surely, 2^4155432451 is an apocalyptic number.

4155432451 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4155432451 is a deficient number, since it is larger than the sum of its proper divisors (366493349).

4155432451 is a wasteful number, since it uses less digits than its factorization.

4155432451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350774 (or 350757 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 4155432451 is about 64462.6438412202. The cubic root of 4155432451 is about 1607.7014705072.

Adding to 4155432451 its reverse (1542345514), we get a palindrome (5697777965).

The spelling of 4155432451 in words is "four billion, one hundred fifty-five million, four hundred thirty-two thousand, four hundred fifty-one".