5421276145 has 4 divisors (see below), whose sum is σ = 6505531380. Its totient is φ = 4337020912.

The previous prime is 5421276143. The next prime is 5421276151. The reversal of 5421276145 is 5416721245.

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

It can be written as a sum of positive squares in 2 ways, for example, as 747639649 + 4673636496 = 27343^2 + 68364^2 .

It is a cyclic number.

It is not a de Polignac number, because 5421276145 - 2¹ = 5421276143 is a prime.

It is a super-2 number, since 2×5421276145² = 58780470080692122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5421276143) 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, 542127610 + ... + 542127619.

It is an arithmetic number, because the mean of its divisors is an integer number (1626382845).

Almost surely, 2^5421276145 is an apocalyptic number.

It is an amenable number.

5421276145 is a deficient number, since it is larger than the sum of its proper divisors (1084255235).

5421276145 is a wasteful number, since it uses less digits than its factorization.

5421276145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084255234.

The product of its digits is 67200, while the sum is 37.

The square root of 5421276145 is about 73629.3157988039. The cubic root of 5421276145 is about 1756.7117650883.

The spelling of 5421276145 in words is "five billion, four hundred twenty-one million, two hundred seventy-six thousand, one hundred forty-five".