45105742 has 8 divisors (see below), whose sum is σ = 73809432. Its totient is φ = 20502600.

The previous prime is 45105721. The next prime is 45105763. The reversal of 45105742 is 24750154.

It is an interprime number because it is at equal distance from previous prime (45105721) and next prime (45105763).

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

It is a super-2 number, since 2×45105742² = 4069055922741128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45105742.

It is a congruent number.

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, 1025109 + ... + 1025152.

It is an arithmetic number, because the mean of its divisors is an integer number (9226179).

Almost surely, 2^45105742 is an apocalyptic number.

45105742 is a deficient number, since it is larger than the sum of its proper divisors (28703690).

45105742 is a wasteful number, since it uses less digits than its factorization.

45105742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050274.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 45105742 is about 6716.0808512108. The cubic root of 45105742 is about 355.9677147425.

Adding to 45105742 its reverse (24750154), we get a palindrome (69855896).

The spelling of 45105742 in words is "forty-five million, one hundred five thousand, seven hundred forty-two".