141421645 has 8 divisors (see below), whose sum is σ = 169793280. Its totient is φ = 113079120.

The previous prime is 141421627. The next prime is 141421663. The reversal of 141421645 is 546124141.

It is an interprime number because it is at equal distance from previous prime (141421627) and next prime (141421663).

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

It is not a de Polignac number, because 141421645 - 2¹⁹ = 140897357 is a prime.

It is a super-3 number, since 3×141421645³ (a number of 25 digits) contains 333 as substring.

It is a congruent 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, 5436 + ... + 17674.

It is an arithmetic number, because the mean of its divisors is an integer number (21224160).

Almost surely, 2^141421645 is an apocalyptic number.

It is an amenable number.

141421645 is a deficient number, since it is larger than the sum of its proper divisors (28371635).

141421645 is a wasteful number, since it uses less digits than its factorization.

141421645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14555.

The product of its digits is 3840, while the sum is 28.

The square root of 141421645 is about 11892.0832909966. The cubic root of 141421645 is about 521.0010855621.

Adding to 141421645 its reverse (546124141), we get a palindrome (687545786).

The spelling of 141421645 in words is "one hundred forty-one million, four hundred twenty-one thousand, six hundred forty-five".