45423774442 has 8 divisors (see below), whose sum is σ = 69585356736. Its totient is φ = 22228655532.

The previous prime is 45423774419. The next prime is 45423774481. The reversal of 45423774442 is 24447732454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45423774442² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45423774392 and 45423774401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241615728 + ... + 241615915.

It is an arithmetic number, because the mean of its divisors is an integer number (8698169592).

Almost surely, 2^45423774442 is an apocalyptic number.

45423774442 is a deficient number, since it is larger than the sum of its proper divisors (24161582294).

45423774442 is a wasteful number, since it uses less digits than its factorization.

45423774442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483231692.

The product of its digits is 3010560, while the sum is 46.

The spelling of 45423774442 in words is "forty-five billion, four hundred twenty-three million, seven hundred seventy-four thousand, four hundred forty-two".