45787742 has 32 divisors (see below), whose sum is σ = 92219904. Its totient is φ = 16466400.

The previous prime is 45787727. The next prime is 45787747. The reversal of 45787742 is 24778754.

It is a junction number, because it is equal to n+sod(n) for n = 45787693 and 45787702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45787747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9434 + ... + 13437.

It is an arithmetic number, because the mean of its divisors is an integer number (2881872).

Almost surely, 2^45787742 is an apocalyptic number.

45787742 is an abundant number, since it is smaller than the sum of its proper divisors (46432162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45787742 is a wasteful number, since it uses less digits than its factorization.

45787742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22904.

The product of its digits is 439040, while the sum is 44.

The square root of 45787742 is about 6766.6640229880. The cubic root of 45787742 is about 357.7528281479.

It can be divided in two parts, 45 and 787742, that added together give a palindrome (787787).

The spelling of 45787742 in words is "forty-five million, seven hundred eighty-seven thousand, seven hundred forty-two".