155443260 has 48 divisors (see below), whose sum is σ = 497419776. Its totient is φ = 35529792.

The previous prime is 155443247. The next prime is 155443261. The reversal of 155443260 is 62344551.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155443261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184632 + ... + 185471.

It is an arithmetic number, because the mean of its divisors is an integer number (10362912).

Almost surely, 2^155443260 is an apocalyptic number.

155443260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155443260 is an abundant number, since it is smaller than the sum of its proper divisors (341976516).

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

155443260 is a wasteful number, since it uses less digits than its factorization.

155443260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370122 (or 370120 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 155443260 is about 12467.6886390381. The cubic root of 155443260 is about 537.6801026164.

The spelling of 155443260 in words is "one hundred fifty-five million, four hundred forty-three thousand, two hundred sixty".