5145420505 has 16 divisors (see below), whose sum is σ = 6465930624. Its totient is φ = 3923328640.

The previous prime is 5145420499. The next prime is 5145420509. The reversal of 5145420505 is 5050245415.

It is not a de Polignac number, because 5145420505 - 2⁵ = 5145420473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5145420509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47299 + ... + 111928.

It is an arithmetic number, because the mean of its divisors is an integer number (404120664).

Almost surely, 2^5145420505 is an apocalyptic number.

It is an amenable number.

5145420505 is a deficient number, since it is larger than the sum of its proper divisors (1320510119).

5145420505 is a wasteful number, since it uses less digits than its factorization.

5145420505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159536.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 5145420505 is about 71731.5865222567. The cubic root of 5145420505 is about 1726.3954827006.

The spelling of 5145420505 in words is "five billion, one hundred forty-five million, four hundred twenty thousand, five hundred five".