45251270 has 16 divisors (see below), whose sum is σ = 81540000. Its totient is φ = 18081024.

The previous prime is 45251257. The next prime is 45251273. The reversal of 45251270 is 7215254.

It is a super-2 number, since 2×45251270² = 4095354873225800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45251273) 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, 10679 + ... + 14301.

It is an arithmetic number, because the mean of its divisors is an integer number (5096250).

Almost surely, 2^45251270 is an apocalyptic number.

45251270 is a deficient number, since it is larger than the sum of its proper divisors (36288730).

45251270 is a wasteful number, since it uses less digits than its factorization.

45251270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4879.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 45251270 is about 6726.9064212311. The cubic root of 45251270 is about 356.3501321074.

The spelling of 45251270 in words is "forty-five million, two hundred fifty-one thousand, two hundred seventy".