115213443150154 has 4 divisors (see below), whose sum is σ = 172820164725234. Its totient is φ = 57606721575076.

The previous prime is 115213443150151. The next prime is 115213443150187. The reversal of 115213443150154 is 451051344312511.

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

It can be written as a sum of positive squares in only one way, i.e., 105484751912929 + 9728691237225 = 10270577^2 + 3119085^2 .

It is not an unprimeable number, because it can be changed into a prime (115213443150151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28803360787537 + ... + 28803360787540.

Almost surely, 2^{115213443150154} is an apocalyptic number.

115213443150154 is a deficient number, since it is larger than the sum of its proper divisors (57606721575080).

115213443150154 is an equidigital number, since it uses as much as digits as its factorization.

115213443150154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57606721575079.

The product of its (nonzero) digits is 144000, while the sum is 40.

Adding to 115213443150154 its reverse (451051344312511), we get a palindrome (566264787462665).

The spelling of 115213443150154 in words is "one hundred fifteen trillion, two hundred thirteen billion, four hundred forty-three million, one hundred fifty thousand, one hundred fifty-four".