45002140 has 24 divisors (see below), whose sum is σ = 96056352. Its totient is φ = 17705280.

The previous prime is 45002131. The next prime is 45002147. The reversal of 45002140 is 4120054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45002147) 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, 17224 + ... + 19663.

It is an arithmetic number, because the mean of its divisors is an integer number (4002348).

Almost surely, 2^45002140 is an apocalyptic number.

It is an amenable number.

45002140 is an abundant number, since it is smaller than the sum of its proper divisors (51054212).

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

45002140 is a wasteful number, since it uses less digits than its factorization.

45002140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36957 (or 36955 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 45002140 is about 6708.3634367855. The cubic root of 45002140 is about 355.6949686942.

Adding to 45002140 its reverse (4120054), we get a palindrome (49122194).

The spelling of 45002140 in words is "forty-five million, two thousand, one hundred forty".