155534142453 has 4 divisors (see below), whose sum is σ = 207378856608. Its totient is φ = 103689428300.

The previous prime is 155534142377. The next prime is 155534142523. The reversal of 155534142453 is 354241435551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155534142453 - 2²⁸ = 155265706997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155534152453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25922357073 + ... + 25922357078.

It is an arithmetic number, because the mean of its divisors is an integer number (51844714152).

Almost surely, 2^155534142453 is an apocalyptic number.

It is an amenable number.

155534142453 is a deficient number, since it is larger than the sum of its proper divisors (51844714155).

155534142453 is an equidigital number, since it uses as much as digits as its factorization.

155534142453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51844714154.

The product of its digits is 720000, while the sum is 42.

The spelling of 155534142453 in words is "one hundred fifty-five billion, five hundred thirty-four million, one hundred forty-two thousand, four hundred fifty-three".