155256436 has 12 divisors (see below), whose sum is σ = 271797120. Its totient is φ = 77600120.

The previous prime is 155256421. The next prime is 155256443. The reversal of 155256436 is 634652551.

It is a junction number, because it is equal to n+sod(n) for n = 155256395 and 155256404.

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, 9981 + ... + 20251.

It is an arithmetic number, because the mean of its divisors is an integer number (22649760).

Almost surely, 2^155256436 is an apocalyptic number.

It is an amenable number.

155256436 is a deficient number, since it is larger than the sum of its proper divisors (116540684).

155256436 is a wasteful number, since it uses less digits than its factorization.

155256436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14054 (or 14052 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 155256436 is about 12460.1940594840. The cubic root of 155256436 is about 537.4646074406.

The spelling of 155256436 in words is "one hundred fifty-five million, two hundred fifty-six thousand, four hundred thirty-six".