154955 has 8 divisors (see below), whose sum is σ = 196992. Its totient is φ = 116608.

The previous prime is 154943. The next prime is 154981. The reversal of 154955 is 559451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 154955 - 2⁸ = 154699 is a prime.

It is a super-2 number, since 2×154955² = 48022104050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827 + ... + 996.

It is an arithmetic number, because the mean of its divisors is an integer number (24624).

2¹⁵⁴⁹⁵⁵ is an apocalyptic number.

154955 is a deficient number, since it is larger than the sum of its proper divisors (42037).

154955 is a wasteful number, since it uses less digits than its factorization.

154955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845.

The product of its digits is 4500, while the sum is 29.

The square root of 154955 is about 393.6432394949. The cubic root of 154955 is about 53.7116546411.

Subtracting 154955 from its reverse (559451), we obtain a square (404496 = 636²).

The spelling of 154955 in words is "one hundred fifty-four thousand, nine hundred fifty-five".