155201636 has 24 divisors (see below), whose sum is σ = 290384640. Its totient is φ = 72323712.

The previous prime is 155201621. The next prime is 155201659. The reversal of 155201636 is 636102551.

It is a junction number, because it is equal to n+sod(n) for n = 155201599 and 155201608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4076 + ... + 18083.

It is an arithmetic number, because the mean of its divisors is an integer number (12099360).

Almost surely, 2^155201636 is an apocalyptic number.

It is an amenable number.

155201636 is a deficient number, since it is larger than the sum of its proper divisors (135183004).

155201636 is a wasteful number, since it uses less digits than its factorization.

155201636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22283 (or 22281 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 155201636 is about 12457.9948627377. The cubic root of 155201636 is about 537.4013647023.

The spelling of 155201636 in words is "one hundred fifty-five million, two hundred one thousand, six hundred thirty-six".