152278809642 has 12 divisors (see below), whose sum is σ = 329937420930. Its totient is φ = 50759603208.

The previous prime is 152278809637. The next prime is 152278809649. The reversal of 152278809642 is 246908872251.

152278809642 is a `hidden beast` number, since 1 + 522 + 78 + 8 + 0 + 9 + 6 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 115721752041 + 36557057601 = 340179^2 + 191199^2 .

It is not an unprimeable number, because it can be changed into a prime (152278809649) 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 5 ways as a sum of consecutive naturals, for example, 4229966917 + ... + 4229966952.

Almost surely, 2^152278809642 is an apocalyptic number.

152278809642 is an abundant number, since it is smaller than the sum of its proper divisors (177658611288).

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

152278809642 is a wasteful number, since it uses less digits than its factorization.

152278809642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8459933877 (or 8459933874 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 152278809642 in words is "one hundred fifty-two billion, two hundred seventy-eight million, eight hundred nine thousand, six hundred forty-two".