45271650 has 48 divisors (see below), whose sum is σ = 113144544. Its totient is φ = 11978880.

The previous prime is 45271649. The next prime is 45271651. The reversal of 45271650 is 5617254.

It is an interprime number because it is at equal distance from previous prime (45271649) and next prime (45271651).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (45271651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19449 + ... + 21651.

It is an arithmetic number, because the mean of its divisors is an integer number (2357178).

Almost surely, 2^45271650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45271650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56572272).

45271650 is an abundant number, since it is smaller than the sum of its proper divisors (67872894).

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

45271650 is a wasteful number, since it uses less digits than its factorization.

45271650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355 (or 2350 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 45271650 is about 6728.4210629240. The cubic root of 45271650 is about 356.4036210349.

The spelling of 45271650 in words is "forty-five million, two hundred seventy-one thousand, six hundred fifty".