155478662 has 16 divisors (see below), whose sum is σ = 240436032. Its totient is φ = 75349440.

The previous prime is 155478619. The next prime is 155478707. The reversal of 155478662 is 266874551.

It is a super-2 number, since 2×155478662² = 48347228674620488, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 16178 + ... + 23930.

It is an arithmetic number, because the mean of its divisors is an integer number (15027252).

Almost surely, 2^155478662 is an apocalyptic number.

155478662 is a deficient number, since it is larger than the sum of its proper divisors (84957370).

155478662 is a wasteful number, since it uses less digits than its factorization.

155478662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8063.

The product of its digits is 403200, while the sum is 44.

The square root of 155478662 is about 12469.1083081349. The cubic root of 155478662 is about 537.7209181657.

The spelling of 155478662 in words is "one hundred fifty-five million, four hundred seventy-eight thousand, six hundred sixty-two".