155340850 has 72 divisors (see below), whose sum is σ = 345602880. Its totient is φ = 50883360.

The previous prime is 155340833. The next prime is 155340853. The reversal of 155340850 is 58043551.

It is not an unprimeable number, because it can be changed into a prime (155340853) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 184731 + ... + 185569.

It is an arithmetic number, because the mean of its divisors is an integer number (4800040).

Almost surely, 2^155340850 is an apocalyptic number.

155340850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155340850 is an abundant number, since it is smaller than the sum of its proper divisors (190262030).

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

155340850 is a wasteful number, since it uses less digits than its factorization.

155340850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 155340850 is about 12463.5809461005. The cubic root of 155340850 is about 537.5619975359.

The spelling of 155340850 in words is "one hundred fifty-five million, three hundred forty thousand, eight hundred fifty".