45896945 has 4 divisors (see below), whose sum is σ = 55076340. Its totient is φ = 36717552.

The previous prime is 45896941. The next prime is 45896947. The reversal of 45896945 is 54969854.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54969854 = 2 ⋅27484927.

It can be written as a sum of positive squares in 2 ways, for example, as 6370576 + 39526369 = 2524^2 + 6287^2 .

It is a cyclic number.

It is not a de Polignac number, because 45896945 - 2² = 45896941 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 45896893 and 45896902.

It is not an unprimeable number, because it can be changed into a prime (45896941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4589690 + ... + 4589699.

It is an arithmetic number, because the mean of its divisors is an integer number (13769085).

Almost surely, 2^45896945 is an apocalyptic number.

It is an amenable number.

45896945 is a deficient number, since it is larger than the sum of its proper divisors (9179395).

45896945 is an equidigital number, since it uses as much as digits as its factorization.

45896945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9179394.

The product of its digits is 1555200, while the sum is 50.

The square root of 45896945 is about 6774.7284078404. The cubic root of 45896945 is about 358.0370138483.

The spelling of 45896945 in words is "forty-five million, eight hundred ninety-six thousand, nine hundred forty-five".