45593642 has 4 divisors (see below), whose sum is σ = 68390466. Its totient is φ = 22796820.

The previous prime is 45593641. The next prime is 45593651. The reversal of 45593642 is 24639554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24639554 = 2 ⋅12319777.

It can be written as a sum of positive squares in only one way, i.e., 42393121 + 3200521 = 6511^2 + 1789^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45593596 and 45593605.

It is not an unprimeable number, because it can be changed into a prime (45593641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11398409 + ... + 11398412.

Almost surely, 2^45593642 is an apocalyptic number.

45593642 is a deficient number, since it is larger than the sum of its proper divisors (22796824).

45593642 is a wasteful number, since it uses less digits than its factorization.

45593642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22796823.

The product of its digits is 129600, while the sum is 38.

The square root of 45593642 is about 6752.3064207721. The cubic root of 45593642 is about 357.2465923882.

The spelling of 45593642 in words is "forty-five million, five hundred ninety-three thousand, six hundred forty-two".