155352040 has 32 divisors (see below), whose sum is σ = 351701280. Its totient is φ = 61756992.

The previous prime is 155352017. The next prime is 155352059. The reversal of 155352040 is 40253551.

155352040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155351996 and 155352014.

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, 5394 + ... + 18433.

It is an arithmetic number, because the mean of its divisors is an integer number (10990665).

Almost surely, 2^155352040 is an apocalyptic number.

155352040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155352040 is an abundant number, since it is smaller than the sum of its proper divisors (196349240).

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

155352040 is a wasteful number, since it uses less digits than its factorization.

155352040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24001 (or 23997 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 155352040 is about 12464.0298459206. The cubic root of 155352040 is about 537.5749050107.

The spelling of 155352040 in words is "one hundred fifty-five million, three hundred fifty-two thousand, forty".