45145650 has 48 divisors (see below), whose sum is σ = 122143968. Its totient is φ = 10944000.

The previous prime is 45145637. The next prime is 45145651. The reversal of 45145650 is 5654154.

45145650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (45145651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12031 + ... + 15330.

It is an arithmetic number, because the mean of its divisors is an integer number (2544666).

Almost surely, 2^45145650 is an apocalyptic number.

45145650 is an abundant number, since it is smaller than the sum of its proper divisors (76998318).

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

45145650 is a wasteful number, since it uses less digits than its factorization.

45145650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27387 (or 27382 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 45145650 is about 6719.0512723152. The cubic root of 45145650 is about 356.0726664356.

The spelling of 45145650 in words is "forty-five million, one hundred forty-five thousand, six hundred fifty".