45001982 has 8 divisors (see below), whose sum is σ = 68776776. Its totient is φ = 22076392.

The previous prime is 45001973. The next prime is 45001993. The reversal of 45001982 is 28910054.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212168 + ... + 212379.

It is an arithmetic number, because the mean of its divisors is an integer number (8597097).

Almost surely, 2^45001982 is an apocalyptic number.

45001982 is a deficient number, since it is larger than the sum of its proper divisors (23774794).

45001982 is a wasteful number, since it uses less digits than its factorization.

45001982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424602.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 45001982 is about 6708.3516604305. The cubic root of 45001982 is about 355.6945524187.

The spelling of 45001982 in words is "forty-five million, one thousand, nine hundred eighty-two".