154911055 has 16 divisors (see below), whose sum is σ = 211970304. Its totient is φ = 107665920.

The previous prime is 154911019. The next prime is 154911059. The reversal of 154911055 is 550119451.

It is not a de Polignac number, because 154911055 - 2¹⁹ = 154386767 is a prime.

It is a super-2 number, since 2×154911055² = 47994869922426050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154911059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68991 + ... + 71200.

It is an arithmetic number, because the mean of its divisors is an integer number (13248144).

Almost surely, 2^154911055 is an apocalyptic number.

154911055 is a deficient number, since it is larger than the sum of its proper divisors (57059249).

154911055 is a wasteful number, since it uses less digits than its factorization.

154911055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140226.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 154911055 is about 12446.3269682264. The cubic root of 154911055 is about 537.0657664679.

The spelling of 154911055 in words is "one hundred fifty-four million, nine hundred eleven thousand, fifty-five".