155234994 has 16 divisors (see below), whose sum is σ = 311195520. Its totient is φ = 51624080.

The previous prime is 155234977. The next prime is 155235013. The reversal of 155234994 is 499432551.

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, 27429 + ... + 32600.

It is an arithmetic number, because the mean of its divisors is an integer number (19449720).

Almost surely, 2^155234994 is an apocalyptic number.

155234994 is an abundant number, since it is smaller than the sum of its proper divisors (155960526).

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

155234994 is a wasteful number, since it uses less digits than its factorization.

155234994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60465.

The product of its digits is 194400, while the sum is 42.

The square root of 155234994 is about 12459.3336097883. Note that the first 3 decimals coincide. The cubic root of 155234994 is about 537.4398637607.

The spelling of 155234994 in words is "one hundred fifty-five million, two hundred thirty-four thousand, nine hundred ninety-four".