154920 has 32 divisors (see below), whose sum is σ = 465120. Its totient is φ = 41280.

The previous prime is 154897. The next prime is 154927. The reversal of 154920 is 29451.

154920 = T₁₇₁ + T₁₇₂ + ... + T₁₈₀.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (154927) by changing a digit.

154920 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526 + ... + 765.

It is an arithmetic number, because the mean of its divisors is an integer number (14535).

2¹⁵⁴⁹²⁰ is an apocalyptic number.

154920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154920 is an abundant number, since it is smaller than the sum of its proper divisors (310200).

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

154920 is a wasteful number, since it uses less digits than its factorization.

154920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 154920 is about 393.5987804859. The cubic root of 154920 is about 53.7076103498.

The spelling of 154920 in words is "one hundred fifty-four thousand, nine hundred twenty".