155000994 has 16 divisors (see below), whose sum is σ = 310207968. Its totient is φ = 51632672.

The previous prime is 155000981. The next prime is 155001013. The reversal of 155000994 is 499000551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2254 + ... + 17750.

It is an arithmetic number, because the mean of its divisors is an integer number (19387998).

Almost surely, 2^155000994 is an apocalyptic number.

155000994 is an abundant number, since it is smaller than the sum of its proper divisors (155206974).

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

155000994 is a wasteful number, since it uses less digits than its factorization.

155000994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17169.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 155000994 is about 12449.9395179254. The cubic root of 155000994 is about 537.1696837620.

The spelling of 155000994 in words is "one hundred fifty-five million, nine hundred ninety-four", and thus it is an aban number.