155126620 has 48 divisors (see below), whose sum is σ = 358696800. Its totient is φ = 55883520.

The previous prime is 155126617. The next prime is 155126689. The reversal of 155126620 is 26621551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20746 + ... + 27214.

It is an arithmetic number, because the mean of its divisors is an integer number (7472850).

Almost surely, 2^155126620 is an apocalyptic number.

155126620 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 155126620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179348400).

155126620 is an abundant number, since it is smaller than the sum of its proper divisors (203570180).

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

155126620 is a wasteful number, since it uses less digits than its factorization.

155126620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6598 (or 6596 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 155126620 is about 12454.9837414587. The cubic root of 155126620 is about 537.3147672525.

The spelling of 155126620 in words is "one hundred fifty-five million, one hundred twenty-six thousand, six hundred twenty".