155236066 has 8 divisors (see below), whose sum is σ = 232921260. Its totient is φ = 77595648.

The previous prime is 155236009. The next prime is 155236069. The reversal of 155236066 is 660632551.

It can be written as a sum of positive squares in 2 ways, for example, as 154629225 + 606841 = 12435^2 + 779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (155236069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471 + ... + 17626.

Almost surely, 2^155236066 is an apocalyptic number.

155236066 is a deficient number, since it is larger than the sum of its proper divisors (77685194).

155236066 is a wasteful number, since it uses less digits than its factorization.

155236066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22388.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 155236066 is about 12459.3766296713. The cubic root of 155236066 is about 537.4411008834.

The spelling of 155236066 in words is "one hundred fifty-five million, two hundred thirty-six thousand, sixty-six".