15354450161 has 4 divisors (see below), whose sum is σ = 15360188532. Its totient is φ = 15348711792.

The previous prime is 15354450157. The next prime is 15354450211. The reversal of 15354450161 is 16105445351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1084714225 + 14269735936 = 32935^2 + 119456^2 .

It is a cyclic number.

It is not a de Polignac number, because 15354450161 - 2² = 15354450157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15354450151) 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, 2865170 + ... + 2870523.

It is an arithmetic number, because the mean of its divisors is an integer number (3840047133).

Almost surely, 2^15354450161 is an apocalyptic number.

It is an amenable number.

15354450161 is a deficient number, since it is larger than the sum of its proper divisors (5738371).

15354450161 is an equidigital number, since it uses as much as digits as its factorization.

15354450161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5738370.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 15354450161 in words is "fifteen billion, three hundred fifty-four million, four hundred fifty thousand, one hundred sixty-one".