154402355043425 has 12 divisors (see below), whose sum is σ = 191587502516460. Its totient is φ = 123438927736320.

The previous prime is 154402355043407. The next prime is 154402355043479. The reversal of 154402355043425 is 524340553204451.

It can be written as a sum of positive squares in 6 ways, for example, as 15295615943521 + 139106739099904 = 3910961^2 + 11794352^2 .

It is not a de Polignac number, because 154402355043425 - 2⁴⁰ = 153302843415649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154402355043425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2073869492 + ... + 2073943941.

It is an arithmetic number, because the mean of its divisors is an integer number (15965625209705).

Almost surely, 2^{154402355043425} is an apocalyptic number.

It is an amenable number.

154402355043425 is a deficient number, since it is larger than the sum of its proper divisors (37185147473035).

154402355043425 is a wasteful number, since it uses less digits than its factorization.

154402355043425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147814932 (or 4147814927 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 47.

The spelling of 154402355043425 in words is "one hundred fifty-four trillion, four hundred two billion, three hundred fifty-five million, forty-three thousand, four hundred twenty-five".