5145515451 has 6 divisors (see below), whose sum is σ = 7432411220. Its totient is φ = 3430343628.

The previous prime is 5145515429. The next prime is 5145515461. The reversal of 5145515451 is 1545155415.

5145515451 is a `hidden beast` number, since 5 + 1 + 4 + 551 + 54 + 51 = 666.

It is not a de Polignac number, because 5145515451 - 2⁶ = 5145515387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5145515461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 285861961 + ... + 285861978.

Almost surely, 2^5145515451 is an apocalyptic number.

5145515451 is a deficient number, since it is larger than the sum of its proper divisors (2286895769).

5145515451 is a wasteful number, since it uses less digits than its factorization.

5145515451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571723945 (or 571723942 counting only the distinct ones).

The product of its digits is 50000, while the sum is 36.

The square root of 5145515451 is about 71732.2483336470. The cubic root of 5145515451 is about 1726.4061014205.

The spelling of 5145515451 in words is "five billion, one hundred forty-five million, five hundred fifteen thousand, four hundred fifty-one".