155544051453 has 12 divisors (see below), whose sum is σ = 241251998400. Its totient is φ = 88882315032.

The previous prime is 155544051431. The next prime is 155544051499. The reversal of 155544051453 is 354150445551.

It is not a de Polignac number, because 155544051453 - 2⁸ = 155544051197 is a prime.

It is a super-2 number, since 2×155544051453² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155544051353) 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 11 ways as a sum of consecutive naturals, for example, 529061253 + ... + 529061546.

It is an arithmetic number, because the mean of its divisors is an integer number (20104333200).

Almost surely, 2^155544051453 is an apocalyptic number.

It is an amenable number.

155544051453 is a deficient number, since it is larger than the sum of its proper divisors (85707946947).

155544051453 is a wasteful number, since it uses less digits than its factorization.

155544051453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058122816 (or 1058122809 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 155544051453 in words is "one hundred fifty-five billion, five hundred forty-four million, fifty-one thousand, four hundred fifty-three".