155464 has 8 divisors (see below), whose sum is σ = 291510. Its totient is φ = 77728.

The previous prime is 155461. The next prime is 155473. The reversal of 155464 is 464551.

155464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 152100 + 3364 = 390^2 + 58^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (155461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9709 + ... + 9724.

155464 is a Friedman number, since it can be written as (6^5*5-14)*4, using all its digits and the basic arithmetic operations.

2¹⁵⁵⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

155464 is a deficient number, since it is larger than the sum of its proper divisors (136046).

155464 is a wasteful number, since it uses less digits than its factorization.

155464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19439 (or 19435 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 155464 is about 394.2892339387. The cubic root of 155464 is about 53.7704014856.

The spelling of 155464 in words is "one hundred fifty-five thousand, four hundred sixty-four".