151321142543 has 16 divisors (see below), whose sum is σ = 161594839296. Its totient is φ = 141205088640.

The previous prime is 151321142527. The next prime is 151321142551. The reversal of 151321142543 is 345241123151.

It is a cyclic number.

It is not a de Polignac number, because 151321142543 - 2⁴ = 151321142527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151321142593) 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, 863180 + ... + 1023582.

It is an arithmetic number, because the mean of its divisors is an integer number (10099677456).

Almost surely, 2^151321142543 is an apocalyptic number.

151321142543 is a deficient number, since it is larger than the sum of its proper divisors (10273696753).

151321142543 is a wasteful number, since it uses less digits than its factorization.

151321142543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160894.

The product of its digits is 14400, while the sum is 32.

Adding to 151321142543 its reverse (345241123151), we get a palindrome (496562265694).

The spelling of 151321142543 in words is "one hundred fifty-one billion, three hundred twenty-one million, one hundred forty-two thousand, five hundred forty-three".