45147651 has 4 divisors (see below), whose sum is σ = 60196872. Its totient is φ = 30098432.

The previous prime is 45147607. The next prime is 45147677. The reversal of 45147651 is 15674154.

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 45147651 - 2⁶ = 45147587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45147451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7524606 + ... + 7524611.

It is an arithmetic number, because the mean of its divisors is an integer number (15049218).

Almost surely, 2^45147651 is an apocalyptic number.

45147651 is a deficient number, since it is larger than the sum of its proper divisors (15049221).

45147651 is a wasteful number, since it uses less digits than its factorization.

45147651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15049220.

The product of its digits is 16800, while the sum is 33.

The square root of 45147651 is about 6719.2001756161. The cubic root of 45147651 is about 356.0779271187.

It can be divided in two parts, 45 and 147651, that added together give a triangular number (147696 = T₅₄₃).

The spelling of 45147651 in words is "forty-five million, one hundred forty-seven thousand, six hundred fifty-one".