5145122147 has 4 divisors (see below), whose sum is σ = 5612860536. Its totient is φ = 4677383760.

The previous prime is 5145122141. The next prime is 5145122153. The reversal of 5145122147 is 7412215415.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5145122141) and next prime (5145122153).

It is a cyclic number.

It is not a de Polignac number, because 5145122147 - 2²² = 5140927843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5145122141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233869178 + ... + 233869199.

It is an arithmetic number, because the mean of its divisors is an integer number (1403215134).

Almost surely, 2^5145122147 is an apocalyptic number.

5145122147 is a deficient number, since it is larger than the sum of its proper divisors (467738389).

5145122147 is a wasteful number, since it uses less digits than its factorization.

5145122147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467738388.

The product of its digits is 11200, while the sum is 32.

The square root of 5145122147 is about 71729.5068085652. The cubic root of 5145122147 is about 1726.3621136196.

The spelling of 5145122147 in words is "five billion, one hundred forty-five million, one hundred twenty-two thousand, one hundred forty-seven".