1487476645 has 4 divisors (see below), whose sum is σ = 1784971980. Its totient is φ = 1189981312.

The previous prime is 1487476637. The next prime is 1487476681. The reversal of 1487476645 is 5466747841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1152806209 + 334670436 = 33953^2 + 18294^2 .

It is a cyclic number.

It is not a de Polignac number, because 1487476645 - 2³ = 1487476637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1487476592 and 1487476601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148747660 + ... + 148747669.

It is an arithmetic number, because the mean of its divisors is an integer number (446242995).

Almost surely, 2^1487476645 is an apocalyptic number.

It is an amenable number.

1487476645 is a deficient number, since it is larger than the sum of its proper divisors (297495335).

1487476645 is an equidigital number, since it uses as much as digits as its factorization.

1487476645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297495334.

The product of its digits is 4515840, while the sum is 52.

The square root of 1487476645 is about 38567.8187742060. The cubic root of 1487476645 is about 1141.5196326412.

It can be divided in two parts, 14874 and 76645, that added together give a palindrome (91519).

The spelling of 1487476645 in words is "one billion, four hundred eighty-seven million, four hundred seventy-six thousand, six hundred forty-five".