5420748145 has 4 divisors (see below), whose sum is σ = 6504897780. Its totient is φ = 4336598512.

The previous prime is 5420748119. The next prime is 5420748161. The reversal of 5420748145 is 5418470245.

5420748145 = 23278² + 23279² + ... + 23287².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5418470245 = 5 ⋅1083694049.

It can be written as a sum of positive squares in 2 ways, for example, as 3094808161 + 2325939984 = 55631^2 + 48228^2 .

It is a cyclic number.

It is not a de Polignac number, because 5420748145 - 2²⁹ = 4883877233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5420748098 and 5420748107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542074810 + ... + 542074819.

It is an arithmetic number, because the mean of its divisors is an integer number (1626224445).

Almost surely, 2^5420748145 is an apocalyptic number.

It is an amenable number.

5420748145 is a deficient number, since it is larger than the sum of its proper divisors (1084149635).

5420748145 is a wasteful number, since it uses less digits than its factorization.

5420748145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084149634.

The product of its (nonzero) digits is 179200, while the sum is 40.

The square root of 5420748145 is about 73625.7301831364. The cubic root of 5420748145 is about 1756.6547321499.

The spelling of 5420748145 in words is "five billion, four hundred twenty million, seven hundred forty-eight thousand, one hundred forty-five".