155002896 has 140 divisors (see below), whose sum is σ = 458233692. Its totient is φ = 50761728.

The previous prime is 155002849. The next prime is 155002909. The reversal of 155002896 is 698200551.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80353296 + 74649600 = 8964^2 + 8640^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 155002896.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1131340 + ... + 1131476.

Almost surely, 2^155002896 is an apocalyptic number.

155002896 is a gapful number since it is divisible by the number (16) 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 155002896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229116846).

155002896 is an abundant number, since it is smaller than the sum of its proper divisors (303230796).

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

155002896 is an equidigital number, since it uses as much as digits as its factorization.

155002896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 155002896 is about 12450.0159036043. The cubic root of 155002896 is about 537.1718809362.

The spelling of 155002896 in words is "one hundred fifty-five million, two thousand, eight hundred ninety-six".