153020250 has 96 divisors (see below), whose sum is σ = 422862336. Its totient is φ = 39909600.

The previous prime is 153020249. The next prime is 153020261. The reversal of 153020250 is 52020351.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105027 + ... + 106473.

It is an arithmetic number, because the mean of its divisors is an integer number (4404816).

Almost surely, 2^153020250 is an apocalyptic number.

153020250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 153020250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211431168).

153020250 is an abundant number, since it is smaller than the sum of its proper divisors (269842086).

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

153020250 is a wasteful number, since it uses less digits than its factorization.

153020250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 153020250 is about 12370.1354075046. The cubic root of 153020250 is about 534.8717193238.

The spelling of 153020250 in words is "one hundred fifty-three million, twenty thousand, two hundred fifty".