155944234 has 8 divisors (see below), whose sum is σ = 235702368. Its totient is φ = 77376780.

The previous prime is 155944211. The next prime is 155944237. The reversal of 155944234 is 432449551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 155944193 and 155944202.

It is not an unprimeable number, because it can be changed into a prime (155944237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297342 + ... + 297865.

It is an arithmetic number, because the mean of its divisors is an integer number (29462796).

Almost surely, 2^155944234 is an apocalyptic number.

155944234 is a deficient number, since it is larger than the sum of its proper divisors (79758134).

155944234 is a wasteful number, since it uses less digits than its factorization.

155944234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595340.

The product of its digits is 86400, while the sum is 37.

The square root of 155944234 is about 12487.7633705960. The cubic root of 155944234 is about 538.2571082145.

The spelling of 155944234 in words is "one hundred fifty-five million, nine hundred forty-four thousand, two hundred thirty-four".