45021523453 has 8 divisors (see below), whose sum is σ = 47678742720. Its totient is φ = 42365292480.

The previous prime is 45021523441. The next prime is 45021523501. The reversal of 45021523453 is 35432512054.

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 45021523453 - 2³³ = 36431588861 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 (45021523423) 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, 152233 + ... + 336478.

It is an arithmetic number, because the mean of its divisors is an integer number (5959842840).

Almost surely, 2^45021523453 is an apocalyptic number.

It is an amenable number.

45021523453 is a deficient number, since it is larger than the sum of its proper divisors (2657219267).

45021523453 is a wasteful number, since it uses less digits than its factorization.

45021523453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494147.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 45021523453 in words is "forty-five billion, twenty-one million, five hundred twenty-three thousand, four hundred fifty-three".