151222253555144 has 8 divisors (see below), whose sum is σ = 283541725415910. Its totient is φ = 75611126777568.

The previous prime is 151222253555143. The next prime is 151222253555159. The reversal of 151222253555144 is 441555352222151.

It can be written as a sum of positive squares in only one way, i.e., 78804502296100 + 72417751259044 = 8877190^2 + 8509862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (151222253555141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9451390847189 + ... + 9451390847204.

Almost surely, 2^{151222253555144} is an apocalyptic number.

It is an amenable number.

151222253555144 is a deficient number, since it is larger than the sum of its proper divisors (132319471860766).

151222253555144 is a wasteful number, since it uses less digits than its factorization.

151222253555144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18902781694399 (or 18902781694395 counting only the distinct ones).

The product of its digits is 2400000, while the sum is 47.

The spelling of 151222253555144 in words is "one hundred fifty-one trillion, two hundred twenty-two billion, two hundred fifty-three million, five hundred fifty-five thousand, one hundred forty-four".