45111402 has 48 divisors (see below), whose sum is σ = 112886592. Its totient is φ = 12752640.

The previous prime is 45111383. The next prime is 45111403. The reversal of 45111402 is 20411154.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (45111403) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 10377 + ... + 14067.

It is an arithmetic number, because the mean of its divisors is an integer number (2351804).

Almost surely, 2^45111402 is an apocalyptic number.

45111402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 45111402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56443296).

45111402 is an abundant number, since it is smaller than the sum of its proper divisors (67775190).

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

45111402 is a wasteful number, since it uses less digits than its factorization.

45111402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803 (or 3800 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 45111402 is about 6716.5022146948. The cubic root of 45111402 is about 355.9826034086.

Adding to 45111402 its reverse (20411154), we get a palindrome (65522556).

The spelling of 45111402 in words is "forty-five million, one hundred eleven thousand, four hundred two".