45002555021 has 8 divisors (see below), whose sum is σ = 48051263040. Its totient is φ = 42044853312.

The previous prime is 45002554967. The next prime is 45002555041. The reversal of 45002555021 is 12055520054.

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 45002555021 - 2⁶ = 45002554957 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 (45002555041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22750556 + ... + 22752533.

It is an arithmetic number, because the mean of its divisors is an integer number (6006407880).

Almost surely, 2^45002555021 is an apocalyptic number.

It is an amenable number.

45002555021 is a deficient number, since it is larger than the sum of its proper divisors (3048708019).

45002555021 is a wasteful number, since it uses less digits than its factorization.

45002555021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45503155.

The product of its (nonzero) digits is 10000, while the sum is 29.

The spelling of 45002555021 in words is "forty-five billion, two million, five hundred fifty-five thousand, twenty-one".