142491076 has 48 divisors (see below), whose sum is σ = 324971136. Its totient is φ = 53051904.

The previous prime is 142491073. The next prime is 142491133. The reversal of 142491076 is 670194241.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (142491071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5326 + ... + 17701.

It is an arithmetic number, because the mean of its divisors is an integer number (6770232).

Almost surely, 2^142491076 is an apocalyptic number.

It is an amenable number.

142491076 is an abundant number, since it is smaller than the sum of its proper divisors (182480060).

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

142491076 is a wasteful number, since it uses less digits than its factorization.

142491076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23068 (or 23066 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 142491076 is about 11936.9625952333. The cubic root of 142491076 is about 522.3110597889.

142491076 divided by its sum of digits (34) gives a palindrome (4190914).

The spelling of 142491076 in words is "one hundred forty-two million, four hundred ninety-one thousand, seventy-six".