5154621545 has 8 divisors (see below), whose sum is σ = 6206658696. Its totient is φ = 4109622016.

The previous prime is 5154621539. The next prime is 5154621551. The reversal of 5154621545 is 5451264515.

It is an interprime number because it is at equal distance from previous prime (5154621539) and next prime (5154621551).

It can be written as a sum of positive squares in 4 ways, for example, as 761980816 + 4392640729 = 27604^2 + 66277^2 .

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 5154621545 - 2²⁰ = 5153572969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5154621499 and 5154621508.

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, 1757792 + ... + 1760721.

It is an arithmetic number, because the mean of its divisors is an integer number (775832337).

Almost surely, 2^5154621545 is an apocalyptic number.

It is an amenable number.

5154621545 is a deficient number, since it is larger than the sum of its proper divisors (1052037151).

5154621545 is a wasteful number, since it uses less digits than its factorization.

5154621545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518811.

The product of its digits is 120000, while the sum is 38.

The square root of 5154621545 is about 71795.6930811313. The cubic root of 5154621545 is about 1727.4239166236.

The spelling of 5154621545 in words is "five billion, one hundred fifty-four million, six hundred twenty-one thousand, five hundred forty-five".