45491796 has 216 divisors, whose sum is σ = 149012136. Its totient is φ = 11612160.

The previous prime is 45491783. The next prime is 45491821. The reversal of 45491796 is 69719454.

45491796 is a `hidden beast` number, since 4 + 549 + 17 + 96 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9922500 + 35569296 = 3150^2 + 5964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1109536 + ... + 1109576.

It is an arithmetic number, because the mean of its divisors is an integer number (689871).

Almost surely, 2^45491796 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 45491796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74506068).

45491796 is an abundant number, since it is smaller than the sum of its proper divisors (103520340).

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

45491796 is a wasteful number, since it uses less digits than its factorization.

45491796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 107 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 45491796 is about 6744.7606332619. The cubic root of 45491796 is about 356.9803910798.

The spelling of 45491796 in words is "forty-five million, four hundred ninety-one thousand, seven hundred ninety-six".