145857375361 has 4 divisors (see below), whose sum is σ = 145864359472. Its totient is φ = 145850391252.

The previous prime is 145857375341. The next prime is 145857375371. The reversal of 145857375361 is 163573758541.

145857375361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163573758541 = 37 ⋅4420912393.

It is a cyclic number.

It is not a de Polignac number, because 145857375361 - 2¹⁷ = 145857244289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145857375311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3460635 + ... + 3502528.

It is an arithmetic number, because the mean of its divisors is an integer number (36466089868).

Almost surely, 2^145857375361 is an apocalyptic number.

It is an amenable number.

145857375361 is a deficient number, since it is larger than the sum of its proper divisors (6984111).

145857375361 is an equidigital number, since it uses as much as digits as its factorization.

145857375361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6984110.

The product of its digits is 10584000, while the sum is 55.

The spelling of 145857375361 in words is "one hundred forty-five billion, eight hundred fifty-seven million, three hundred seventy-five thousand, three hundred sixty-one".