155392 has 18 divisors (see below), whose sum is σ = 310688. Its totient is φ = 77568.

The previous prime is 155387. The next prime is 155399. The reversal of 155392 is 293551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48 + ... + 559.

2¹⁵⁵³⁹² is an apocalyptic number.

It is an amenable number.

155392 is a deficient number, since it is larger than the sum of its proper divisors (155296).

155392 is an frugal number, since it uses more digits than its factorization.

155392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 609 counting only the distinct ones).

The product of its digits is 1350, while the sum is 25.

The square root of 155392 is about 394.1979198322. The cubic root of 155392 is about 53.7620993133.

The spelling of 155392 in words is "one hundred fifty-five thousand, three hundred ninety-two".