155093240 has 16 divisors (see below), whose sum is σ = 348959880. Its totient is φ = 62037280.

The previous prime is 155093231. The next prime is 155093249. The reversal of 155093240 is 42390551.

155093240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155093231) and next prime (155093249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155093249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1938626 + ... + 1938705.

Almost surely, 2^155093240 is an apocalyptic number.

155093240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155093240 is an abundant number, since it is smaller than the sum of its proper divisors (193866640).

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

155093240 is a wasteful number, since it uses less digits than its factorization.

155093240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877342 (or 3877338 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 155093240 is about 12453.6436435286. The cubic root of 155093240 is about 537.2762248593.

The spelling of 155093240 in words is "one hundred fifty-five million, ninety-three thousand, two hundred forty".