145488557133 has 8 divisors (see below), whose sum is σ = 215538603200. Its totient is φ = 96992371404.

The previous prime is 145488557129. The next prime is 145488557147. The reversal of 145488557133 is 331755884541.

145488557133 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 88 + 557 + 1 + 3 + 3 = 666.

It is not a de Polignac number, because 145488557133 - 2² = 145488557129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145488557133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145488557033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2694232513 + ... + 2694232566.

It is an arithmetic number, because the mean of its divisors is an integer number (26942325400).

Almost surely, 2^145488557133 is an apocalyptic number.

It is an amenable number.

145488557133 is a deficient number, since it is larger than the sum of its proper divisors (70050046067).

145488557133 is an equidigital number, since it uses as much as digits as its factorization.

145488557133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388465088 (or 5388465082 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 54.

The spelling of 145488557133 in words is "one hundred forty-five billion, four hundred eighty-eight million, five hundred fifty-seven thousand, one hundred thirty-three".