155036651445644 has 12 divisors (see below), whose sum is σ = 271317078152904. Its totient is φ = 77517486259104.

The previous prime is 155036651445601. The next prime is 155036651445659. The reversal of 155036651445644 is 446544156630551.

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, 209450297 + ... + 210189200.

It is an arithmetic number, because the mean of its divisors is an integer number (22609756512742).

Almost surely, 2^{155036651445644} is an apocalyptic number.

It is an amenable number.

155036651445644 is a deficient number, since it is larger than the sum of its proper divisors (116280426707260).

155036651445644 is a wasteful number, since it uses less digits than its factorization.

155036651445644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419731864 (or 419731862 counting only the distinct ones).

The product of its (nonzero) digits is 103680000, while the sum is 59.

The spelling of 155036651445644 in words is "one hundred fifty-five trillion, thirty-six billion, six hundred fifty-one million, four hundred forty-five thousand, six hundred forty-four".