45439086 has 64 divisors (see below), whose sum is σ = 115292160. Its totient is φ = 11595360.

The previous prime is 45439081. The next prime is 45439109. The reversal of 45439086 is 68093454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45439081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26425 + ... + 28091.

It is an arithmetic number, because the mean of its divisors is an integer number (1801440).

Almost surely, 2^45439086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45439086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57646080).

45439086 is an abundant number, since it is smaller than the sum of its proper divisors (69853074).

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

45439086 is a wasteful number, since it uses less digits than its factorization.

45439086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 45439086 is about 6740.8520232979. The cubic root of 45439086 is about 356.8424635845.

The spelling of 45439086 in words is "forty-five million, four hundred thirty-nine thousand, eighty-six".