147252839478 has 32 divisors (see below), whose sum is σ = 312017412096. Its totient is φ = 46169136768.

The previous prime is 147252839473. The next prime is 147252839491. The reversal of 147252839478 is 874938252741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147252839473) 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, 264426 + ... + 603677.

It is an arithmetic number, because the mean of its divisors is an integer number (9750544128).

Almost surely, 2^147252839478 is an apocalyptic number.

147252839478 is an abundant number, since it is smaller than the sum of its proper divisors (164764572618).

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

147252839478 is a wasteful number, since it uses less digits than its factorization.

147252839478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869788.

The product of its digits is 27095040, while the sum is 60.

The spelling of 147252839478 in words is "one hundred forty-seven billion, two hundred fifty-two million, eight hundred thirty-nine thousand, four hundred seventy-eight".