142485455 has 32 divisors (see below), whose sum is σ = 206696448. Its totient is φ = 92217600.

The previous prime is 142485407. The next prime is 142485467. The reversal of 142485455 is 554584241.

It is a happy number.

It is not a de Polignac number, because 142485455 - 2¹⁰ = 142484431 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42884 + ... + 46086.

It is an arithmetic number, because the mean of its divisors is an integer number (6459264).

Almost surely, 2^142485455 is an apocalyptic number.

142485455 is a deficient number, since it is larger than the sum of its proper divisors (64210993).

142485455 is a wasteful number, since it uses less digits than its factorization.

142485455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287.

The product of its digits is 128000, while the sum is 38.

The square root of 142485455 is about 11936.7271477570. The cubic root of 142485455 is about 522.3041916417.

The spelling of 142485455 in words is "one hundred forty-two million, four hundred eighty-five thousand, four hundred fifty-five".