45251870 has 8 divisors (see below), whose sum is σ = 81453384. Its totient is φ = 18100744.

The previous prime is 45251837. The next prime is 45251873. The reversal of 45251870 is 7815254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45251873) 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, 2262584 + ... + 2262603.

It is an arithmetic number, because the mean of its divisors is an integer number (10181673).

Almost surely, 2^45251870 is an apocalyptic number.

45251870 is a deficient number, since it is larger than the sum of its proper divisors (36201514).

45251870 is a wasteful number, since it uses less digits than its factorization.

45251870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4525194.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 45251870 is about 6726.9510181062. The cubic root of 45251870 is about 356.3517070845.

The spelling of 45251870 in words is "forty-five million, two hundred fifty-one thousand, eight hundred seventy".