6154321045 has 16 divisors (see below), whose sum is σ = 7967153520. Its totient is φ = 4546407424.

The previous prime is 6154321021. The next prime is 6154321091. The reversal of 6154321045 is 5401234516.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7447441 + 6146873604 = 2729^2 + 78402^2 .

It is a cyclic number.

It is not a de Polignac number, because 6154321045 - 2⁵ = 6154321013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6154320998 and 6154321016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678550 + ... + 687559.

It is an arithmetic number, because the mean of its divisors is an integer number (497947095).

Almost surely, 2^6154321045 is an apocalyptic number.

It is an amenable number.

6154321045 is a deficient number, since it is larger than the sum of its proper divisors (1812832475).

6154321045 is a wasteful number, since it uses less digits than its factorization.

6154321045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366184.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 6154321045 is about 78449.4808459559. The cubic root of 6154321045 is about 1832.5677913609.

The spelling of 6154321045 in words is "six billion, one hundred fifty-four million, three hundred twenty-one thousand, forty-five".