45122011 has 8 divisors (see below), whose sum is σ = 49330944. Its totient is φ = 40930920.

The previous prime is 45122009. The next prime is 45122023. The reversal of 45122011 is 11022154.

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

It is a cyclic number.

It is not a de Polignac number, because 45122011 - 2¹ = 45122009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45122111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146 + ... + 9568.

It is an arithmetic number, because the mean of its divisors is an integer number (6166368).

Almost surely, 2^45122011 is an apocalyptic number.

45122011 is a deficient number, since it is larger than the sum of its proper divisors (4208933).

45122011 is a wasteful number, since it uses less digits than its factorization.

45122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8921.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 45122011 is about 6717.2919394649. The cubic root of 45122011 is about 356.0105070964.

Adding to 45122011 its reverse (11022154), we get a palindrome (56144165).

The spelling of 45122011 in words is "forty-five million, one hundred twenty-two thousand, eleven".