142477194 has 8 divisors (see below), whose sum is σ = 284954400. Its totient is φ = 47492396.

The previous prime is 142477193. The next prime is 142477201. The reversal of 142477194 is 491774241.

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

142477194 is an admirable number.

It is a super-2 number, since 2×142477194² = 40599501620227272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142477193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11873094 + ... + 11873105.

It is an arithmetic number, because the mean of its divisors is an integer number (35619300).

Almost surely, 2^142477194 is an apocalyptic number.

142477194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142477194 is a wasteful number, since it uses less digits than its factorization.

142477194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23746204.

The product of its digits is 56448, while the sum is 39.

The square root of 142477194 is about 11936.3811098674. The cubic root of 142477194 is about 522.2940974223.

The spelling of 142477194 in words is "one hundred forty-two million, four hundred seventy-seven thousand, one hundred ninety-four".