155365002 has 48 divisors (see below), whose sum is σ = 364913640. Its totient is φ = 47488896.

The previous prime is 155364983. The next prime is 155365013. The reversal of 155365002 is 200563551.

155365002 is a `hidden beast` number, since 1 + 5 + 5 + 3 + 650 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 138791961 + 16573041 = 11781^2 + 4071^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34624 + ... + 38852.

Almost surely, 2^155365002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155365002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182456820).

155365002 is an abundant number, since it is smaller than the sum of its proper divisors (209548638).

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

155365002 is a wasteful number, since it uses less digits than its factorization.

155365002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407 (or 4404 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 155365002 is about 12464.5498113650. The cubic root of 155365002 is about 537.5898556826.

The spelling of 155365002 in words is "one hundred fifty-five million, three hundred sixty-five thousand, two".