142454155 has 8 divisors (see below), whose sum is σ = 172077984. Its totient is φ = 113208000.

The previous prime is 142454113. The next prime is 142454161. The reversal of 142454155 is 551454241.

It is a happy number.

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

It is not a de Polignac number, because 142454155 - 2⁷ = 142454027 is a prime.

It is a Duffinian 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, 93586 + ... + 95095.

It is an arithmetic number, because the mean of its divisors is an integer number (21509748).

Almost surely, 2^142454155 is an apocalyptic number.

142454155 is a deficient number, since it is larger than the sum of its proper divisors (29623829).

142454155 is a wasteful number, since it uses less digits than its factorization.

142454155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188837.

The product of its digits is 16000, while the sum is 31.

The square root of 142454155 is about 11935.4159961017. The cubic root of 142454155 is about 522.2659437180.

The spelling of 142454155 in words is "one hundred forty-two million, four hundred fifty-four thousand, one hundred fifty-five".