45201040 has 20 divisors (see below), whose sum is σ = 105092604. Its totient is φ = 18080384.

The previous prime is 45201031. The next prime is 45201047. The reversal of 45201040 is 4010254.

It can be written as a sum of positive squares in 2 ways, for example, as 22581504 + 22619536 = 4752^2 + 4756^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (45201047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282427 + ... + 282586.

Almost surely, 2^45201040 is an apocalyptic number.

45201040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45201040 is an abundant number, since it is smaller than the sum of its proper divisors (59891564).

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

45201040 is a wasteful number, since it uses less digits than its factorization.

45201040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565026 (or 565020 counting only the distinct ones).

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

The square root of 45201040 is about 6723.1718704790. The cubic root of 45201040 is about 356.2182308800.

Adding to 45201040 its reverse (4010254), we get a palindrome (49211294).

The spelling of 45201040 in words is "forty-five million, two hundred one thousand, forty".