142547746474 has 16 divisors (see below), whose sum is σ = 245237207616. Its totient is φ = 60874480800.

The previous prime is 142547746427. The next prime is 142547746477. The reversal of 142547746474 is 474647745241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142547746477) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18113472 + ... + 18121339.

It is an arithmetic number, because the mean of its divisors is an integer number (15327325476).

Almost surely, 2^142547746474 is an apocalyptic number.

142547746474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142547746474 is a deficient number, since it is larger than the sum of its proper divisors (102689461142).

142547746474 is a wasteful number, since it uses less digits than its factorization.

142547746474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36235101.

The product of its digits is 21073920, while the sum is 55.

The spelling of 142547746474 in words is "one hundred forty-two billion, five hundred forty-seven million, seven hundred forty-six thousand, four hundred seventy-four".