153542343461 has 4 divisors (see below), whose sum is σ = 165353292972. Its totient is φ = 141731393952.

The previous prime is 153542343431. The next prime is 153542343463. The reversal of 153542343461 is 164343245351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164343245351 = 3229 ⋅50896019.

It can be written as a sum of positive squares in 2 ways, for example, as 86903502436 + 66638841025 = 294794^2 + 258145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153542343461 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 (153542343463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5905474736 + ... + 5905474761.

It is an arithmetic number, because the mean of its divisors is an integer number (41338323243).

Almost surely, 2^153542343461 is an apocalyptic number.

It is an amenable number.

153542343461 is a deficient number, since it is larger than the sum of its proper divisors (11810949511).

153542343461 is a wasteful number, since it uses less digits than its factorization.

153542343461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11810949510.

The product of its digits is 518400, while the sum is 41.

The spelling of 153542343461 in words is "one hundred fifty-three billion, five hundred forty-two million, three hundred forty-three thousand, four hundred sixty-one".