5621132145 has 8 divisors (see below), whose sum is σ = 8993811456. Its totient is φ = 2997937136.

The previous prime is 5621132123. The next prime is 5621132171. The reversal of 5621132145 is 5412311265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5621132145 - 2⁷ = 5621132017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187371057 + ... + 187371086.

It is an arithmetic number, because the mean of its divisors is an integer number (1124226432).

Almost surely, 2^5621132145 is an apocalyptic number.

It is an amenable number.

5621132145 is a deficient number, since it is larger than the sum of its proper divisors (3372679311).

5621132145 is a wasteful number, since it uses less digits than its factorization.

5621132145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374742151.

The product of its digits is 7200, while the sum is 30.

The square root of 5621132145 is about 74974.2098657932. The cubic root of 5621132145 is about 1778.0389277392.

The spelling of 5621132145 in words is "five billion, six hundred twenty-one million, one hundred thirty-two thousand, one hundred forty-five".