154252403644 has 12 divisors (see below), whose sum is σ = 270542916000. Its totient is φ = 76954427648.

The previous prime is 154252403639. The next prime is 154252403699. The reversal of 154252403644 is 446304252451.

It is a junction number, because it is equal to n+sod(n) for n = 154252403597 and 154252403606.

It is a congruent number.

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, 42941524 + ... + 42945115.

It is an arithmetic number, because the mean of its divisors is an integer number (22545243000).

Almost surely, 2^154252403644 is an apocalyptic number.

It is an amenable number.

154252403644 is a deficient number, since it is larger than the sum of its proper divisors (116290512356).

154252403644 is a wasteful number, since it uses less digits than its factorization.

154252403644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85887092 (or 85887090 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 154252403644 in words is "one hundred fifty-four billion, two hundred fifty-two million, four hundred three thousand, six hundred forty-four".