45547902 has 48 divisors (see below), whose sum is σ = 105028560. Its totient is φ = 14224896.

The previous prime is 45547891. The next prime is 45547919. The reversal of 45547902 is 20974554.

It is a super-2 number, since 2×45547902² = 4149222753203208, which contains 22 as substring.

It is a congruent 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, 32488 + ... + 33860.

It is an arithmetic number, because the mean of its divisors is an integer number (2188095).

Almost surely, 2^45547902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45547902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52514280).

45547902 is an abundant number, since it is smaller than the sum of its proper divisors (59480658).

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

45547902 is a wasteful number, since it uses less digits than its factorization.

45547902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 45547902 is about 6748.9185800393. The cubic root of 45547902 is about 357.1270879590.

The spelling of 45547902 in words is "forty-five million, five hundred forty-seven thousand, nine hundred two".