141661642 has 32 divisors (see below), whose sum is σ = 223985664. Its totient is φ = 67132800.

The previous prime is 141661631. The next prime is 141661643. The reversal of 141661642 is 246166141.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (141661643) 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 15 ways as a sum of consecutive naturals, for example, 635143 + ... + 635365.

It is an arithmetic number, because the mean of its divisors is an integer number (6999552).

Almost surely, 2^141661642 is an apocalyptic number.

141661642 is a deficient number, since it is larger than the sum of its proper divisors (82324022).

141661642 is a wasteful number, since it uses less digits than its factorization.

141661642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454.

The product of its digits is 6912, while the sum is 31.

The square root of 141661642 is about 11902.1696341465. The cubic root of 141661642 is about 521.2956374382.

The spelling of 141661642 in words is "one hundred forty-one million, six hundred sixty-one thousand, six hundred forty-two".