155051426 has 4 divisors (see below), whose sum is σ = 232577142. Its totient is φ = 77525712.

The previous prime is 155051401. The next prime is 155051437. The reversal of 155051426 is 624150551.

It is a happy number.

155051426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624150551 = 19 ⋅32850029.

It can be written as a sum of positive squares in only one way, i.e., 155027401 + 24025 = 12451^2 + 155^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38762855 + ... + 38762858.

Almost surely, 2^155051426 is an apocalyptic number.

155051426 is a deficient number, since it is larger than the sum of its proper divisors (77525716).

155051426 is an equidigital number, since it uses as much as digits as its factorization.

155051426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77525715.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 155051426 is about 12451.9647445694. The cubic root of 155051426 is about 537.2279363000.

The spelling of 155051426 in words is "one hundred fifty-five million, fifty-one thousand, four hundred twenty-six".