141420451 has 4 divisors (see below), whose sum is σ = 143531272. Its totient is φ = 139309632.

The previous prime is 141420449. The next prime is 141420479. The reversal of 141420451 is 154024141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 141420451 - 2¹ = 141420449 is a prime.

It is a super-2 number, since 2×141420451² = 39999487922086802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141520451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055310 + ... + 1055443.

It is an arithmetic number, because the mean of its divisors is an integer number (35882818).

Almost surely, 2^141420451 is an apocalyptic number.

141420451 is a deficient number, since it is larger than the sum of its proper divisors (2110821).

141420451 is an equidigital number, since it uses as much as digits as its factorization.

141420451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110820.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 141420451 is about 11892.0330894259. The cubic root of 141420451 is about 520.9996193154. Note that the first 3 decimals are identical.

Adding to 141420451 its reverse (154024141), we get a palindrome (295444592).

The spelling of 141420451 in words is "one hundred forty-one million, four hundred twenty thousand, four hundred fifty-one".