45478633 has 4 divisors (see below), whose sum is σ = 45779968. Its totient is φ = 45177300.

The previous prime is 45478619. The next prime is 45478639. The reversal of 45478633 is 33687454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45478633 - 2¹³ = 45470441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45478639) 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, 150441 + ... + 150742.

It is an arithmetic number, because the mean of its divisors is an integer number (11444992).

Almost surely, 2^45478633 is an apocalyptic number.

It is an amenable number.

45478633 is a deficient number, since it is larger than the sum of its proper divisors (301335).

45478633 is a wasteful number, since it uses less digits than its factorization.

45478633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301334.

The product of its digits is 241920, while the sum is 40.

The square root of 45478633 is about 6743.7847682144. The cubic root of 45478633 is about 356.9459571336.

The spelling of 45478633 in words is "forty-five million, four hundred seventy-eight thousand, six hundred thirty-three".