145352541523 has 8 divisors (see below), whose sum is σ = 166593173600. Its totient is φ = 124230905280.

The previous prime is 145352541457. The next prime is 145352541569. The reversal of 145352541523 is 325145253541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145352541523 is a prime.

It is a super-2 number, since 2×145352541523² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145352541223) 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, 29746338 + ... + 29751223.

It is an arithmetic number, because the mean of its divisors is an integer number (20824146700).

Almost surely, 2^145352541523 is an apocalyptic number.

145352541523 is a deficient number, since it is larger than the sum of its proper divisors (21240632077).

145352541523 is an equidigital number, since it uses as much as digits as its factorization.

145352541523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59497917.

The product of its digits is 360000, while the sum is 40.

The spelling of 145352541523 in words is "one hundred forty-five billion, three hundred fifty-two million, five hundred forty-one thousand, five hundred twenty-three".