45231270 has 64 divisors (see below), whose sum is σ = 126973440. Its totient is φ = 10096128.

The previous prime is 45231259. The next prime is 45231281. The reversal of 45231270 is 7213254.

It is an interprime number because it is at equal distance from previous prime (45231259) and next prime (45231281).

It is a self number, because there is not a number n which added to its sum of digits gives 45231270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6526 + ... + 11534.

It is an arithmetic number, because the mean of its divisors is an integer number (1983960).

Almost surely, 2^45231270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45231270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63486720).

45231270 is an abundant number, since it is smaller than the sum of its proper divisors (81742170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45231270 is a wasteful number, since it uses less digits than its factorization.

45231270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 45231270 is about 6725.4196895064. The cubic root of 45231270 is about 356.2976249042.

The spelling of 45231270 in words is "forty-five million, two hundred thirty-one thousand, two hundred seventy".