45203040 has 72 divisors (see below), whose sum is σ = 154260288. Its totient is φ = 12053760.

The previous prime is 45203021. The next prime is 45203057. The reversal of 45203040 is 4030254.

It is a happy number.

45203040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×45203040³ (a number of 24 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14256 + ... + 17135.

It is an arithmetic number, because the mean of its divisors is an integer number (2142504).

Almost surely, 2^45203040 is an apocalyptic number.

45203040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45203040 is an abundant number, since it is smaller than the sum of its proper divisors (109057248).

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

45203040 is a wasteful number, since it uses less digits than its factorization.

45203040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31412 (or 31401 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 45203040 is about 6723.3206081519. The cubic root of 45203040 is about 356.2234846378.

Adding to 45203040 its reverse (4030254), we get a palindrome (49233294).

The spelling of 45203040 in words is "forty-five million, two hundred three thousand, forty".