243146099458387 has 8 divisors (see below), whose sum is σ = 253719682295040. Its totient is φ = 232572684396360.

The previous prime is 243146099458357. The next prime is 243146099458453. The reversal of 243146099458387 is 783854990641342.

243146099458387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-243146099458387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243146099458357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38977687 + ... + 44783392.

It is an arithmetic number, because the mean of its divisors is an integer number (31714960286880).

It is a 1-persistent number, because it is pandigital, but 2⋅243146099458387 = 486292198916774 is not.

Almost surely, 2^{243146099458387} is an apocalyptic number.

243146099458387 is a deficient number, since it is larger than the sum of its proper divisors (10573582836653).

243146099458387 is a wasteful number, since it uses less digits than its factorization.

243146099458387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83887313.

The product of its (nonzero) digits is 1254113280, while the sum is 73.

The spelling of 243146099458387 in words is "two hundred forty-three trillion, one hundred forty-six billion, ninety-nine million, four hundred fifty-eight thousand, three hundred eighty-seven".