155980898 has 8 divisors (see below), whose sum is σ = 234041808. Its totient is φ = 77966964.

The previous prime is 155980897. The next prime is 155980901. The reversal of 155980898 is 898089551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (155980897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1736 + ... + 17747.

It is an arithmetic number, because the mean of its divisors is an integer number (29255226).

Almost surely, 2^155980898 is an apocalyptic number.

155980898 is a deficient number, since it is larger than the sum of its proper divisors (78060910).

155980898 is a wasteful number, since it uses less digits than its factorization.

155980898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23488.

The product of its (nonzero) digits is 1036800, while the sum is 53.

The square root of 155980898 is about 12489.2312813880. The cubic root of 155980898 is about 538.2992880624.

The spelling of 155980898 in words is "one hundred fifty-five million, nine hundred eighty thousand, eight hundred ninety-eight".