142454141 has 4 divisors (see below), whose sum is σ = 145767072. Its totient is φ = 139141212.

The previous prime is 142454113. The next prime is 142454161. The reversal of 142454141 is 141454241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142454141 - 2¹⁸ = 142191997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142454141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142454161) 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, 1656401 + ... + 1656486.

It is an arithmetic number, because the mean of its divisors is an integer number (36441768).

Almost surely, 2^142454141 is an apocalyptic number.

It is an amenable number.

142454141 is a deficient number, since it is larger than the sum of its proper divisors (3312931).

142454141 is an equidigital number, since it uses as much as digits as its factorization.

142454141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312930.

The product of its digits is 2560, while the sum is 26.

The square root of 142454141 is about 11935.4154096118. The cubic root of 142454141 is about 522.2659266091.

The spelling of 142454141 in words is "one hundred forty-two million, four hundred fifty-four thousand, one hundred forty-one".