155342898 has 24 divisors (see below), whose sum is σ = 354291600. Its totient is φ = 49055544.

The previous prime is 155342861. The next prime is 155342951. The reversal of 155342898 is 898243551.

155342898 is a `hidden beast` number, since 1 + 5 + 534 + 28 + 98 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226768 + ... + 227451.

It is an arithmetic number, because the mean of its divisors is an integer number (14762150).

Almost surely, 2^155342898 is an apocalyptic number.

155342898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

155342898 is an abundant number, since it is smaller than the sum of its proper divisors (198948702).

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

155342898 is a wasteful number, since it uses less digits than its factorization.

155342898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454246 (or 454243 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 155342898 is about 12463.6631052031. The cubic root of 155342898 is about 537.5643599154.

The spelling of 155342898 in words is "one hundred fifty-five million, three hundred forty-two thousand, eight hundred ninety-eight".