145488050293 has 4 divisors (see below), whose sum is σ = 145850863788. Its totient is φ = 145125236800.

The previous prime is 145488050249. The next prime is 145488050321. The reversal of 145488050293 is 392050884541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 392050884541 = 61 ⋅6427063681.

It can be written as a sum of positive squares in 2 ways, for example, as 141058082929 + 4429967364 = 375577^2 + 66558^2 .

It is a cyclic number.

It is not a de Polignac number, because 145488050293 - 2²¹ = 145485953141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145488050233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181406146 + ... + 181406947.

It is an arithmetic number, because the mean of its divisors is an integer number (36462715947).

Almost surely, 2^145488050293 is an apocalyptic number.

It is an amenable number.

145488050293 is a deficient number, since it is larger than the sum of its proper divisors (362813495).

145488050293 is an equidigital number, since it uses as much as digits as its factorization.

145488050293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362813494.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 145488050293 in words is "one hundred forty-five billion, four hundred eighty-eight million, fifty thousand, two hundred ninety-three".