45351642 has 32 divisors (see below), whose sum is σ = 104361984. Its totient is φ = 12870000.

The previous prime is 45351637. The next prime is 45351661. The reversal of 45351642 is 24615354.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2767 + ... + 9917.

It is an arithmetic number, because the mean of its divisors is an integer number (3261312).

Almost surely, 2^45351642 is an apocalyptic number.

45351642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

45351642 is an abundant number, since it is smaller than the sum of its proper divisors (59010342).

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

45351642 is a wasteful number, since it uses less digits than its factorization.

45351642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7314.

The product of its digits is 14400, while the sum is 30.

The square root of 45351642 is about 6734.3627760910. The cubic root of 45351642 is about 356.6134113672.

Adding to 45351642 its reverse (24615354), we get a palindrome (69966996).

The spelling of 45351642 in words is "forty-five million, three hundred fifty-one thousand, six hundred forty-two".