40245102 has 24 divisors (see below), whose sum is σ = 87314760. Its totient is φ = 13397040.

The previous prime is 40245077. The next prime is 40245109. The reversal of 40245102 is 20154204.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40245109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24049 + ... + 25667.

It is an arithmetic number, because the mean of its divisors is an integer number (3638115).

Almost surely, 2^40245102 is an apocalyptic number.

40245102 is an abundant number, since it is smaller than the sum of its proper divisors (47069658).

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

40245102 is a wasteful number, since it uses less digits than its factorization.

40245102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008 (or 3005 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 40245102 is about 6343.9027420035. The cubic root of 40245102 is about 342.6922982857.

Adding to 40245102 its reverse (20154204), we get a palindrome (60399306).

The spelling of 40245102 in words is "forty million, two hundred forty-five thousand, one hundred two".