155250650 has 24 divisors (see below), whose sum is σ = 290692704. Its totient is φ = 61686000.

The previous prime is 155250643. The next prime is 155250671. The reversal of 155250650 is 56052551.

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, 2732 + ... + 17831.

It is an arithmetic number, because the mean of its divisors is an integer number (12112196).

Almost surely, 2^155250650 is an apocalyptic number.

155250650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155250650 is a deficient number, since it is larger than the sum of its proper divisors (135442054).

155250650 is a wasteful number, since it uses less digits than its factorization.

155250650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20726 (or 20721 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 155250650 is about 12459.9618779513. The cubic root of 155250650 is about 537.4579307258.

The spelling of 155250650 in words is "one hundred fifty-five million, two hundred fifty thousand, six hundred fifty".