45028542 has 32 divisors (see below), whose sum is σ = 97628832. Its totient is φ = 13762944.

The previous prime is 45028541. The next prime is 45028567. The reversal of 45028542 is 24582054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45028541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10408 + ... + 14084.

It is an arithmetic number, because the mean of its divisors is an integer number (3050901).

Almost surely, 2^45028542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45028542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48814416).

45028542 is an abundant number, since it is smaller than the sum of its proper divisors (52600290).

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

45028542 is a wasteful number, since it uses less digits than its factorization.

45028542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 45028542 is about 6710.3309903462. The cubic root of 45028542 is about 355.7645151842.

The spelling of 45028542 in words is "forty-five million, twenty-eight thousand, five hundred forty-two".