45047254 has 16 divisors (see below), whose sum is σ = 78156288. Its totient is φ = 19072872.

The previous prime is 45047243. The next prime is 45047257. The reversal of 45047254 is 45274054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45047257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18222 + ... + 20545.

It is an arithmetic number, because the mean of its divisors is an integer number (4884768).

Almost surely, 2^45047254 is an apocalyptic number.

45047254 is a deficient number, since it is larger than the sum of its proper divisors (33109034).

45047254 is a wasteful number, since it uses less digits than its factorization.

45047254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38859.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 45047254 is about 6711.7251135606. The cubic root of 45047254 is about 355.8137886997.

The spelling of 45047254 in words is "forty-five million, forty-seven thousand, two hundred fifty-four".