45507450 has 48 divisors (see below), whose sum is σ = 114474816. Its totient is φ = 11961600.

The previous prime is 45507439. The next prime is 45507461. The reversal of 45507450 is 5470554.

It is an interprime number because it is at equal distance from previous prime (45507439) and next prime (45507461).

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8514 + ... + 12786.

It is an arithmetic number, because the mean of its divisors is an integer number (2384892).

Almost surely, 2^45507450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45507450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57237408).

45507450 is an abundant number, since it is smaller than the sum of its proper divisors (68967366).

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

45507450 is a wasteful number, since it uses less digits than its factorization.

45507450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359 (or 4354 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 45507450 is about 6745.9209897537. The cubic root of 45507450 is about 357.0213327490.

The spelling of 45507450 in words is "forty-five million, five hundred seven thousand, four hundred fifty".