155842944 has 64 divisors (see below), whose sum is σ = 438326640. Its totient is φ = 48889856.

The previous prime is 155842943. The next prime is 155842969. The reversal of 155842944 is 449248551.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 155842896 and 155842905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155842943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5409 + ... + 18464.

Almost surely, 2^155842944 is an apocalyptic number.

It is an amenable number.

155842944 is an abundant number, since it is smaller than the sum of its proper divisors (282483696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155842944 is a wasteful number, since it uses less digits than its factorization.

155842944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23907 (or 23895 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 155842944 is about 12483.7071417108. The cubic root of 155842944 is about 538.1405454548.

It can be divided in two parts, 15584 and 2944, that added together give a triangular number (18528 = T₁₉₂).

The spelling of 155842944 in words is "one hundred fifty-five million, eight hundred forty-two thousand, nine hundred forty-four".