45698681 has 16 divisors (see below), whose sum is σ = 54236160. Its totient is φ = 37679040.

The previous prime is 45698659. The next prime is 45698689. The reversal of 45698681 is 18689654.

It is not a de Polignac number, because 45698681 - 2¹⁸ = 45436537 is a prime.

It is a super-2 number, since 2×45698681² = 4176738890279522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45698689) 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, 42215 + ... + 43283.

It is an arithmetic number, because the mean of its divisors is an integer number (3389760).

Almost surely, 2^45698681 is an apocalyptic number.

It is an amenable number.

45698681 is a deficient number, since it is larger than the sum of its proper divisors (8537479).

45698681 is a wasteful number, since it uses less digits than its factorization.

45698681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its digits is 414720, while the sum is 47.

The square root of 45698681 is about 6760.0799551485. The cubic root of 45698681 is about 357.5207245064.

The spelling of 45698681 in words is "forty-five million, six hundred ninety-eight thousand, six hundred eighty-one".