153121650 has 48 divisors (see below), whose sum is σ = 414268128. Its totient is φ = 37120000.

The previous prime is 153121583. The next prime is 153121663. The reversal of 153121650 is 56121351.

It is a self number, because there is not a number n which added to its sum of digits gives 153121650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44751 + ... + 48050.

It is an arithmetic number, because the mean of its divisors is an integer number (8630586).

Almost surely, 2^153121650 is an apocalyptic number.

153121650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153121650 is an abundant number, since it is smaller than the sum of its proper divisors (261146478).

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

153121650 is a wasteful number, since it uses less digits than its factorization.

153121650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92827 (or 92822 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 153121650 is about 12374.2333095833. The cubic root of 153121650 is about 534.9898388031.

The spelling of 153121650 in words is "one hundred fifty-three million, one hundred twenty-one thousand, six hundred fifty".