225150140 has 12 divisors (see below), whose sum is σ = 472815336. Its totient is φ = 90060048.

The previous prime is 225150139. The next prime is 225150157. The reversal of 225150140 is 41051522.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11257507 = 225150140 / (2 + 2 + 5 + 1 + 5 + 0 + 1 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5628734 + ... + 5628773.

It is an arithmetic number, because the mean of its divisors is an integer number (39401278).

Almost surely, 2^225150140 is an apocalyptic number.

225150140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225150140 is an abundant number, since it is smaller than the sum of its proper divisors (247665196).

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

225150140 is a wasteful number, since it uses less digits than its factorization.

225150140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11257516 (or 11257514 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 225150140 is about 15005.0038320555. The cubic root of 225150140 is about 608.3554556706.

The spelling of 225150140 in words is "two hundred twenty-five million, one hundred fifty thousand, one hundred forty".