154040655 has 32 divisors (see below), whose sum is σ = 263590848. Its totient is φ = 76544000.

The previous prime is 154040647. The next prime is 154040669. The reversal of 154040655 is 556040451.

It is not a de Polignac number, because 154040655 - 2³ = 154040647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22765 + ... + 28745.

It is an arithmetic number, because the mean of its divisors is an integer number (8237214).

Almost surely, 2^154040655 is an apocalyptic number.

154040655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

154040655 is a deficient number, since it is larger than the sum of its proper divisors (109550193).

154040655 is a wasteful number, since it uses less digits than its factorization.

154040655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 154040655 is about 12411.3115745275. The cubic root of 154040655 is about 536.0580047403.

It can be divided in two parts, 1540 and 40655, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 154040655 in words is "one hundred fifty-four million, forty thousand, six hundred fifty-five".