2045321455254 has 32 divisors (see below), whose sum is σ = 5100022331136. Its totient is φ = 531252325920.

The previous prime is 2045321455211. The next prime is 2045321455267. The reversal of 2045321455254 is 4525541235402.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 2213550897 + ... + 2213551820.

It is an arithmetic number, because the mean of its divisors is an integer number (159375697848).

Almost surely, 2^{2045321455254} is an apocalyptic number.

2045321455254 is an abundant number, since it is smaller than the sum of its proper divisors (3054700875882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045321455254 is a wasteful number, since it uses less digits than its factorization.

2045321455254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427102740.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 2045321455254 in words is "two trillion, forty-five billion, three hundred twenty-one million, four hundred fifty-five thousand, two hundred fifty-four".