154144231552 has 32 divisors (see below), whose sum is σ = 307232307900. Its totient is φ = 77034946560.

The previous prime is 154144231543. The next prime is 154144231613. The reversal of 154144231552 is 255132441451.

It can be written as a sum of positive squares in 2 ways, for example, as 141695027776 + 12449203776 = 376424^2 + 111576^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22977 + ... + 555712.

Almost surely, 2^154144231552 is an apocalyptic number.

It is an amenable number.

154144231552 is a deficient number, since it is larger than the sum of its proper divisors (153088076348).

154144231552 is an equidigital number, since it uses as much as digits as its factorization.

154144231552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580784 (or 580772 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

The spelling of 154144231552 in words is "one hundred fifty-four billion, one hundred forty-four million, two hundred thirty-one thousand, five hundred fifty-two".