142798954 has 4 divisors (see below), whose sum is σ = 214198434. Its totient is φ = 71399476.

The previous prime is 142798937. The next prime is 142798961. The reversal of 142798954 is 459897241.

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

It can be written as a sum of positive squares in only one way, i.e., 77915929 + 64883025 = 8827^2 + 8055^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 142798898 and 142798907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35699737 + ... + 35699740.

Almost surely, 2^142798954 is an apocalyptic number.

142798954 is a deficient number, since it is larger than the sum of its proper divisors (71399480).

142798954 is an equidigital number, since it uses as much as digits as its factorization.

142798954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71399479.

The product of its digits is 725760, while the sum is 49.

The square root of 142798954 is about 11949.8516308781. The cubic root of 142798954 is about 522.6869719966.

The spelling of 142798954 in words is "one hundred forty-two million, seven hundred ninety-eight thousand, nine hundred fifty-four".