45256005 has 48 divisors (see below), whose sum is σ = 84651840. Its totient is φ = 22291200.

The previous prime is 45255953. The next prime is 45256007. The reversal of 45256005 is 50065254.

45256005 is a `hidden beast` number, since 4 + 52 + 5 + 600 + 5 = 666.

It is not a de Polignac number, because 45256005 - 2⁹ = 45255493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45256005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45256007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34410 + ... + 35700.

It is an arithmetic number, because the mean of its divisors is an integer number (1763580).

Almost surely, 2^45256005 is an apocalyptic number.

45256005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45256005 is a deficient number, since it is larger than the sum of its proper divisors (39395835).

45256005 is a wasteful number, since it uses less digits than its factorization.

45256005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 45256005 is about 6727.2583568643. The cubic root of 45256005 is about 356.3625609227.

Subtracting 45256005 from its reverse (50065254), we obtain a square (4809249 = 2193²).

The spelling of 45256005 in words is "forty-five million, two hundred fifty-six thousand, five".