1472640245 has 8 divisors (see below), whose sum is σ = 1800511416. Its totient is φ = 1155883456.

The previous prime is 1472640241. The next prime is 1472640259. The reversal of 1472640245 is 5420462741.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 589421284 + 883218961 = 24278^2 + 29719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1472640245 - 2² = 1472640241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1472640241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2778302 + ... + 2778831.

It is an arithmetic number, because the mean of its divisors is an integer number (225063927).

Almost surely, 2^1472640245 is an apocalyptic number.

It is an amenable number.

1472640245 is a deficient number, since it is larger than the sum of its proper divisors (327871171).

1472640245 is an equidigital number, since it uses as much as digits as its factorization.

1472640245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557191.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 1472640245 is about 38374.9950488596. The cubic root of 1472640245 is about 1137.7116930002.

The spelling of 1472640245 in words is "one billion, four hundred seventy-two million, six hundred forty thousand, two hundred forty-five".