155494486 has 8 divisors (see below), whose sum is σ = 266562000. Its totient is φ = 66640488.

The previous prime is 155494483. The next prime is 155494501. The reversal of 155494486 is 684494551.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155494483) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5553361 + ... + 5553388.

It is an arithmetic number, because the mean of its divisors is an integer number (33320250).

Almost surely, 2^155494486 is an apocalyptic number.

155494486 is a deficient number, since it is larger than the sum of its proper divisors (111067514).

155494486 is a wasteful number, since it uses less digits than its factorization.

155494486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106758.

The product of its digits is 691200, while the sum is 46.

The square root of 155494486 is about 12469.7428201226. The cubic root of 155494486 is about 537.7391599125.

The spelling of 155494486 in words is "one hundred fifty-five million, four hundred ninety-four thousand, four hundred eighty-six".