1627142345 has 8 divisors (see below), whose sum is σ = 1952808264. Its totient is φ = 1301555584.

The previous prime is 1627142329. The next prime is 1627142371. The reversal of 1627142345 is 5432417261.

It can be written as a sum of positive squares in 4 ways, for example, as 709476496 + 917665849 = 26636^2 + 30293^2 .

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 1627142345 - 2⁴ = 1627142329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44327 + ... + 72243.

It is an arithmetic number, because the mean of its divisors is an integer number (244101033).

Almost surely, 2^1627142345 is an apocalyptic number.

It is an amenable number.

1627142345 is a deficient number, since it is larger than the sum of its proper divisors (325665919).

1627142345 is a wasteful number, since it uses less digits than its factorization.

1627142345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39579.

The product of its digits is 40320, while the sum is 35.

The square root of 1627142345 is about 40337.8525085310. The cubic root of 1627142345 is about 1176.1837703252.

The spelling of 1627142345 in words is "one billion, six hundred twenty-seven million, one hundred forty-two thousand, three hundred forty-five".