145436209293 has 16 divisors (see below), whose sum is σ = 194874451520. Its totient is φ = 96478210944.

The previous prime is 145436209273. The next prime is 145436209319. The reversal of 145436209293 is 392902634541.

It is not a de Polignac number, because 145436209293 - 2²⁵ = 145402654861 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 (145436209273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143930 + ... + 1264692.

It is an arithmetic number, because the mean of its divisors is an integer number (12179653220).

Almost surely, 2^145436209293 is an apocalyptic number.

It is an amenable number.

145436209293 is a deficient number, since it is larger than the sum of its proper divisors (49438242227).

145436209293 is a wasteful number, since it uses less digits than its factorization.

145436209293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122748.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 145436209293 in words is "one hundred forty-five billion, four hundred thirty-six million, two hundred nine thousand, two hundred ninety-three".