155085682 has 4 divisors (see below), whose sum is σ = 232628526. Its totient is φ = 77542840.

The previous prime is 155085661. The next prime is 155085691. The reversal of 155085682 is 286580551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 133379401 + 21706281 = 11549^2 + 4659^2 .

It is a super-2 number, since 2×155085682² = 48103137522810248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38771419 + ... + 38771422.

Almost surely, 2^155085682 is an apocalyptic number.

155085682 is a deficient number, since it is larger than the sum of its proper divisors (77542844).

155085682 is an equidigital number, since it uses as much as digits as its factorization.

155085682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77542843.

The product of its (nonzero) digits is 96000, while the sum is 40.

The square root of 155085682 is about 12453.3401945020. The cubic root of 155085682 is about 537.2674972069.

The spelling of 155085682 in words is "one hundred fifty-five million, eighty-five thousand, six hundred eighty-two".