45981208 has 64 divisors (see below), whose sum is σ = 108360000. Its totient is φ = 18176256.

The previous prime is 45981137. The next prime is 45981223. The reversal of 45981208 is 80218954.

It is a super-2 number, since 2×45981208² = 4228542978278528, 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 15 ways as a sum of consecutive naturals, for example, 35028 + ... + 36316.

It is an arithmetic number, because the mean of its divisors is an integer number (1693125).

Almost surely, 2^45981208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45981208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54180000).

45981208 is an abundant number, since it is smaller than the sum of its proper divisors (62378792).

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

45981208 is a wasteful number, since it uses less digits than its factorization.

45981208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 45981208 is about 6780.9444769884. The cubic root of 45981208 is about 358.2559886910.

The spelling of 45981208 in words is "forty-five million, nine hundred eighty-one thousand, two hundred eight".