141790505 has 8 divisors (see below), whose sum is σ = 174298824. Its totient is φ = 110665600.

The previous prime is 141790501. The next prime is 141790531. The reversal of 141790505 is 505097141.

It can be written as a sum of positive squares in 4 ways, for example, as 4713241 + 137077264 = 2171^2 + 11708^2 .

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

It is not a de Polignac number, because 141790505 - 2² = 141790501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141790501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345626 + ... + 346035.

It is an arithmetic number, because the mean of its divisors is an integer number (21787353).

Almost surely, 2^141790505 is an apocalyptic number.

It is an amenable number.

141790505 is a deficient number, since it is larger than the sum of its proper divisors (32508319).

141790505 is an equidigital number, since it uses as much as digits as its factorization.

141790505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691707.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 141790505 is about 11907.5818283982. The cubic root of 141790505 is about 521.4536556573.

The spelling of 141790505 in words is "one hundred forty-one million, seven hundred ninety thousand, five hundred five".