45021123061 has 4 divisors (see below), whose sum is σ = 45025163692. Its totient is φ = 45017082432.

The previous prime is 45021123031. The next prime is 45021123101. The reversal of 45021123061 is 16032112054.

It is a happy number.

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 10592320561 + 34428802500 = 102919^2 + 185550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45021123061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45021123031) 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, 2003556 + ... + 2025901.

It is an arithmetic number, because the mean of its divisors is an integer number (11256290923).

Almost surely, 2^45021123061 is an apocalyptic number.

It is an amenable number.

45021123061 is a deficient number, since it is larger than the sum of its proper divisors (4040631).

45021123061 is a wasteful number, since it uses less digits than its factorization.

45021123061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040630.

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 45021123061 in words is "forty-five billion, twenty-one million, one hundred twenty-three thousand, sixty-one".