155726760 has 128 divisors (see below), whose sum is σ = 542085120. Its totient is φ = 35050752.

The previous prime is 155726759. The next prime is 155726761. The reversal of 155726760 is 67627551.

155726760 is digitally balanced in base 3, 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 (155726759) and next prime (155726761).

It is not an unprimeable number, because it can be changed into a prime (155726761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54897 + ... + 57663.

It is an arithmetic number, because the mean of its divisors is an integer number (4235040).

Almost surely, 2^155726760 is an apocalyptic number.

155726760 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 155726760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271042560).

155726760 is an abundant number, since it is smaller than the sum of its proper divisors (386358360).

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

155726760 is a wasteful number, since it uses less digits than its factorization.

155726760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855 (or 2851 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 155726760 is about 12479.0528486741. The cubic root of 155726760 is about 538.0067807311.

The spelling of 155726760 in words is "one hundred fifty-five million, seven hundred twenty-six thousand, seven hundred sixty".