145531240535 has 8 divisors (see below), whose sum is σ = 174642721440. Its totient is φ = 116421503904.

The previous prime is 145531240529. The next prime is 145531240537. The reversal of 145531240535 is 535042135541.

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 145531240535 - 2⁸ = 145531240279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145531240537) 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, 244892 + ... + 592481.

It is an arithmetic number, because the mean of its divisors is an integer number (21830340180).

Almost surely, 2^145531240535 is an apocalyptic number.

145531240535 is a deficient number, since it is larger than the sum of its proper divisors (29111480905).

145531240535 is an equidigital number, since it uses as much as digits as its factorization.

145531240535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872137.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 145531240535 in words is "one hundred forty-five billion, five hundred thirty-one million, two hundred forty thousand, five hundred thirty-five".