45476551 has 4 divisors (see below), whose sum is σ = 46247400. Its totient is φ = 44705704.

The previous prime is 45476549. The next prime is 45476569. The reversal of 45476551 is 15567454.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45476551 - 2¹ = 45476549 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 45476551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45476521) 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, 385336 + ... + 385453.

It is an arithmetic number, because the mean of its divisors is an integer number (11561850).

Almost surely, 2^45476551 is an apocalyptic number.

45476551 is a deficient number, since it is larger than the sum of its proper divisors (770849).

45476551 is an equidigital number, since it uses as much as digits as its factorization.

45476551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770848.

The product of its digits is 84000, while the sum is 37.

The square root of 45476551 is about 6743.6304020906. The cubic root of 45476551 is about 356.9405100861.

The spelling of 45476551 in words is "forty-five million, four hundred seventy-six thousand, five hundred fifty-one".