155675040 has 192 divisors, whose sum is σ = 522547200. Its totient is φ = 38872064.

The previous prime is 155675033. The next prime is 155675057. The reversal of 155675040 is 40576551.

It is a junction number, because it is equal to n+sod(n) for n = 155674992 and 155675010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651241 + ... + 651479.

It is an arithmetic number, because the mean of its divisors is an integer number (2721600).

Almost surely, 2^155675040 is an apocalyptic number.

155675040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155675040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261273600).

155675040 is an abundant number, since it is smaller than the sum of its proper divisors (366872160).

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

155675040 is a wasteful number, since it uses less digits than its factorization.

155675040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 155675040 is about 12476.9804039279. The cubic root of 155675040 is about 537.9472131660.

The spelling of 155675040 in words is "one hundred fifty-five million, six hundred seventy-five thousand, forty".