145142540553 has 8 divisors (see below), whose sum is σ = 197174772288. Its totient is φ = 94936001264.

The previous prime is 145142540533. The next prime is 145142540561. The reversal of 145142540553 is 355045241541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145142540553 - 2⁶ = 145142540489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145142540513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456422925 + ... + 456423242.

It is an arithmetic number, because the mean of its divisors is an integer number (24646846536).

Almost surely, 2^145142540553 is an apocalyptic number.

It is an amenable number.

145142540553 is a deficient number, since it is larger than the sum of its proper divisors (52032231735).

145142540553 is an equidigital number, since it uses as much as digits as its factorization.

145142540553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912846223.

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 145142540553 in words is "one hundred forty-five billion, one hundred forty-two million, five hundred forty thousand, five hundred fifty-three".