155963000 has 64 divisors (see below), whose sum is σ = 380877120. Its totient is φ = 59664000.

The previous prime is 155962999. The next prime is 155963009. The reversal of 155963000 is 369551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155963009) 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, 19610 + ... + 26390.

It is an arithmetic number, because the mean of its divisors is an integer number (5951205).

Almost surely, 2^155963000 is an apocalyptic number.

155963000 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 155963000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190438560).

155963000 is an abundant number, since it is smaller than the sum of its proper divisors (224914120).

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

155963000 is a wasteful number, since it uses less digits than its factorization.

155963000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825 (or 6811 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 155963000 is about 12488.5147235370. The cubic root of 155963000 is about 538.2786982566.

The spelling of 155963000 in words is "one hundred fifty-five million, nine hundred sixty-three thousand".