155478354 has 16 divisors (see below), whose sum is σ = 311236320. Its totient is φ = 51779520.

The previous prime is 155478341. The next prime is 155478377. The reversal of 155478354 is 453874551.

It is a happy 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, 4039 + ... + 18090.

It is an arithmetic number, because the mean of its divisors is an integer number (19452270).

Almost surely, 2^155478354 is an apocalyptic number.

155478354 is an abundant number, since it is smaller than the sum of its proper divisors (155757966).

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

155478354 is a wasteful number, since it uses less digits than its factorization.

155478354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23305.

The product of its digits is 336000, while the sum is 42.

The square root of 155478354 is about 12469.0959576065. The cubic root of 155478354 is about 537.7205630941.

The spelling of 155478354 in words is "one hundred fifty-five million, four hundred seventy-eight thousand, three hundred fifty-four".