45055742 has 4 divisors (see below), whose sum is σ = 67583616. Its totient is φ = 22527870.

The previous prime is 45055739. The next prime is 45055753. The reversal of 45055742 is 24755054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24755054 = 2 ⋅12377527.

It is a junction number, because it is equal to n+sod(n) for n = 45055699 and 45055708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11263934 + ... + 11263937.

It is an arithmetic number, because the mean of its divisors is an integer number (16895904).

Almost surely, 2^45055742 is an apocalyptic number.

45055742 is a deficient number, since it is larger than the sum of its proper divisors (22527874).

45055742 is a wasteful number, since it uses less digits than its factorization.

45055742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22527873.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 45055742 is about 6712.3574100311. The cubic root of 45055742 is about 355.8361352913.

The spelling of 45055742 in words is "forty-five million, fifty-five thousand, seven hundred forty-two".