155474506 has 16 divisors (see below), whose sum is σ = 255626208. Its totient is φ = 70333200.

The previous prime is 155474479. The next prime is 155474507. The reversal of 155474506 is 605474551.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (155474507) 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 7 ways as a sum of consecutive naturals, for example, 12105 + ... + 21388.

It is an arithmetic number, because the mean of its divisors is an integer number (15976638).

Almost surely, 2^155474506 is an apocalyptic number.

155474506 is a deficient number, since it is larger than the sum of its proper divisors (100151702).

155474506 is a wasteful number, since it uses less digits than its factorization.

155474506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33717.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 155474506 is about 12468.9416551687. The cubic root of 155474506 is about 537.7161269658.

The spelling of 155474506 in words is "one hundred fifty-five million, four hundred seventy-four thousand, five hundred six".