155006436 has 48 divisors (see below), whose sum is σ = 391294400. Its totient is φ = 47475072.

The previous prime is 155006377. The next prime is 155006461. The reversal of 155006436 is 634600551.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33555 + ... + 37893.

Almost surely, 2^155006436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155006436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195647200).

155006436 is an abundant number, since it is smaller than the sum of its proper divisors (236287964).

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

155006436 is a wasteful number, since it uses less digits than its factorization.

155006436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588 (or 4586 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 155006436 is about 12450.1580712857. The cubic root of 155006436 is about 537.1759702662.

Adding to 155006436 its reverse (634600551), we get a palindrome (789606987).

The spelling of 155006436 in words is "one hundred fifty-five million, six thousand, four hundred thirty-six".