45605451 has 8 divisors (see below), whose sum is σ = 60894720. Its totient is φ = 30359912.

The previous prime is 45605447. The next prime is 45605459. The reversal of 45605451 is 15450654.

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 45605451 - 2² = 45605447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45605459) 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, 8415 + ... + 12728.

It is an arithmetic number, because the mean of its divisors is an integer number (7611840).

Almost surely, 2^45605451 is an apocalyptic number.

45605451 is a deficient number, since it is larger than the sum of its proper divisors (15289269).

45605451 is a wasteful number, since it uses less digits than its factorization.

45605451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21865.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 45605451 is about 6753.1808061091. The cubic root of 45605451 is about 357.2774326593.

It can be divided in two parts, 45605 and 451, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 45605451 in words is "forty-five million, six hundred five thousand, four hundred fifty-one".