142154455 has 8 divisors (see below), whose sum is σ = 170726400. Its totient is φ = 113629536.

The previous prime is 142154443. The next prime is 142154473. The reversal of 142154455 is 554451241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 142154455 - 2²⁷ = 7936727 is a prime.

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, 4720 + ... + 17509.

It is an arithmetic number, because the mean of its divisors is an integer number (21340800).

Almost surely, 2^142154455 is an apocalyptic number.

142154455 is a deficient number, since it is larger than the sum of its proper divisors (28571945).

142154455 is a wasteful number, since it uses less digits than its factorization.

142154455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23513.

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

The square root of 142154455 is about 11922.8543142991. The cubic root of 142154455 is about 521.8994328265.

The spelling of 142154455 in words is "one hundred forty-two million, one hundred fifty-four thousand, four hundred fifty-five".