145606502361 has 4 divisors (see below), whose sum is σ = 194142003152. Its totient is φ = 97071001572.

The previous prime is 145606502351. The next prime is 145606502369. The reversal of 145606502361 is 163205606541.

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: 163205606541 = 3 ⋅54401868847.

It is not a de Polignac number, because 145606502361 - 2¹³ = 145606494169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145606502369) 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, 24267750391 + ... + 24267750396.

It is an arithmetic number, because the mean of its divisors is an integer number (48535500788).

Almost surely, 2^145606502361 is an apocalyptic number.

It is an amenable number.

145606502361 is a deficient number, since it is larger than the sum of its proper divisors (48535500791).

145606502361 is an equidigital number, since it uses as much as digits as its factorization.

145606502361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48535500790.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 145606502361 in words is "one hundred forty-five billion, six hundred six million, five hundred two thousand, three hundred sixty-one".