45216453 has 8 divisors (see below), whose sum is σ = 60910528. Its totient is φ = 29833344.

The previous prime is 45216427. The next prime is 45216467. The reversal of 45216453 is 35461254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45216453 - 2⁶ = 45216389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45216453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45216253) 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, 77401 + ... + 77982.

It is an arithmetic number, because the mean of its divisors is an integer number (7613816).

Almost surely, 2^45216453 is an apocalyptic number.

It is an amenable number.

45216453 is a deficient number, since it is larger than the sum of its proper divisors (15694075).

45216453 is a wasteful number, since it uses less digits than its factorization.

45216453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155483.

The product of its digits is 14400, while the sum is 30.

The square root of 45216453 is about 6724.3180323361. The cubic root of 45216453 is about 356.2587149607.

The spelling of 45216453 in words is "forty-five million, two hundred sixteen thousand, four hundred fifty-three".