135445554 has 32 divisors (see below), whose sum is σ = 301573440. Its totient is φ = 45061056.

The previous prime is 135445553. The next prime is 135445621. The reversal of 135445554 is 455544531.

135445554 is a `hidden beast` number, since 13 + 54 + 45 + 554 = 666.

It is not an unprimeable number, because it can be changed into a prime (135445553) 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 15 ways as a sum of consecutive naturals, for example, 29562 + ... + 33834.

It is an arithmetic number, because the mean of its divisors is an integer number (9424170).

Almost surely, 2^135445554 is an apocalyptic number.

135445554 is an abundant number, since it is smaller than the sum of its proper divisors (166127886).

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

135445554 is a wasteful number, since it uses less digits than its factorization.

135445554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4871 (or 4865 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 135445554 is about 11638.1078358984. The cubic root of 135445554 is about 513.5565247286.

The spelling of 135445554 in words is "one hundred thirty-five million, four hundred forty-five thousand, five hundred fifty-four".