125145450 has 72 divisors (see below), whose sum is σ = 347108736. Its totient is φ = 32292000.

The previous prime is 125145413. The next prime is 125145451. The reversal of 125145450 is 54541521.

It is a super-2 number, since 2×125145450² = 31322767311405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125145451) 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, 9465 + ... + 18435.

Almost surely, 2^125145450 is an apocalyptic number.

125145450 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 125145450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173554368).

125145450 is an abundant number, since it is smaller than the sum of its proper divisors (221963286).

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

125145450 is a wasteful number, since it uses less digits than its factorization.

125145450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9020 (or 9012 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 125145450 is about 11186.8427181220. The cubic root of 125145450 is about 500.1938581616.

Adding to 125145450 its reverse (54541521), we get a palindrome (179686971).

The spelling of 125145450 in words is "one hundred twenty-five million, one hundred forty-five thousand, four hundred fifty".