1761142145 has 8 divisors (see below), whose sum is σ = 2415280704. Its totient is φ = 1207640304.

The previous prime is 1761142079. The next prime is 1761142219. The reversal of 1761142145 is 5412411671.

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 1761142145 - 2¹⁰ = 1761141121 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, 25159139 + ... + 25159208.

It is an arithmetic number, because the mean of its divisors is an integer number (301910088).

Almost surely, 2^1761142145 is an apocalyptic number.

It is an amenable number.

1761142145 is a deficient number, since it is larger than the sum of its proper divisors (654138559).

1761142145 is an equidigital number, since it uses as much as digits as its factorization.

1761142145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50318359.

The product of its digits is 6720, while the sum is 32.

The square root of 1761142145 is about 41965.9641257055. The cubic root of 1761142145 is about 1207.6232618391.

The spelling of 1761142145 in words is "one billion, seven hundred sixty-one million, one hundred forty-two thousand, one hundred forty-five".