142473145 has 8 divisors (see below), whose sum is σ = 171722304. Its totient is φ = 113475504.

The previous prime is 142473127. The next prime is 142473173. The reversal of 142473145 is 541374241.

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 142473145 - 2¹³ = 142464953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61629 + ... + 63898.

It is an arithmetic number, because the mean of its divisors is an integer number (21465288).

Almost surely, 2^142473145 is an apocalyptic number.

It is an amenable number.

142473145 is a deficient number, since it is larger than the sum of its proper divisors (29249159).

142473145 is a wasteful number, since it uses less digits than its factorization.

142473145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125759.

The product of its digits is 13440, while the sum is 31.

The square root of 142473145 is about 11936.2115011422. The cubic root of 142473145 is about 522.2891497560.

The spelling of 142473145 in words is "one hundred forty-two million, four hundred seventy-three thousand, one hundred forty-five".