152540123643 has 20 divisors (see below), whose sum is σ = 227883642448. Its totient is φ = 101686693680.

The previous prime is 152540123641. The next prime is 152540123653. The reversal of 152540123643 is 346321045251.

152540123643 is a `hidden beast` number, since 1 + 5 + 2 + 5 + 4 + 0 + 1 + 2 + 3 + 643 = 666.

It is not a de Polignac number, because 152540123643 - 2¹ = 152540123641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152540123598 and 152540123607.

It is not an unprimeable number, because it can be changed into a prime (152540123641) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1374033 + ... + 1480893.

Almost surely, 2^152540123643 is an apocalyptic number.

152540123643 is a deficient number, since it is larger than the sum of its proper divisors (75343518805).

152540123643 is a wasteful number, since it uses less digits than its factorization.

152540123643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124496 (or 124487 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 152540123643 its reverse (346321045251), we get a palindrome (498861168894).

The spelling of 152540123643 in words is "one hundred fifty-two billion, five hundred forty million, one hundred twenty-three thousand, six hundred forty-three".