45034638 has 32 divisors (see below), whose sum is σ = 99453312. Its totient is φ = 13480800.

The previous prime is 45034597. The next prime is 45034657. The reversal of 45034638 is 83643054.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 45034599 and 45034608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1368 + ... + 9588.

It is an arithmetic number, because the mean of its divisors is an integer number (3107916).

Almost surely, 2^45034638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45034638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49726656).

45034638 is an abundant number, since it is smaller than the sum of its proper divisors (54418674).

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

45034638 is a wasteful number, since it uses less digits than its factorization.

45034638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8320.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 45034638 is about 6710.7851999598. The cubic root of 45034638 is about 355.7805690212.

The spelling of 45034638 in words is "forty-five million, thirty-four thousand, six hundred thirty-eight".