1488642345 has 24 divisors (see below), whose sum is σ = 2581445256. Its totient is φ = 793594368.

The previous prime is 1488642263. The next prime is 1488642361. The reversal of 1488642345 is 5432468841.

1488642345 is a `hidden beast` number, since 148 + 86 + 423 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 299013264 + 1189629081 = 17292^2 + 34491^2 .

It is not a de Polignac number, because 1488642345 - 2¹³ = 1488634153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1488642345.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121647 + ... + 133323.

It is an arithmetic number, because the mean of its divisors is an integer number (107560219).

Almost surely, 2^1488642345 is an apocalyptic number.

1488642345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1488642345 is a deficient number, since it is larger than the sum of its proper divisors (1092802911).

1488642345 is a wasteful number, since it uses less digits than its factorization.

1488642345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14521 (or 14518 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 1488642345 is about 38582.9281548200. The cubic root of 1488642345 is about 1141.8177486905.

The spelling of 1488642345 in words is "one billion, four hundred eighty-eight million, six hundred forty-two thousand, three hundred forty-five".