250605145 has 8 divisors (see below), whose sum is σ = 343687104. Its totient is φ = 171843504.

The previous prime is 250605133. The next prime is 250605149. The reversal of 250605145 is 541506052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 250605145 - 2²³ = 242216537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250605149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3580039 + ... + 3580108.

It is an arithmetic number, because the mean of its divisors is an integer number (42960888).

Almost surely, 2^250605145 is an apocalyptic number.

It is an amenable number.

250605145 is a deficient number, since it is larger than the sum of its proper divisors (93081959).

250605145 is an equidigital number, since it uses as much as digits as its factorization.

250605145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160159.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 250605145 is about 15830.5130997072. The cubic root of 250605145 is about 630.4684053284.

The spelling of 250605145 in words is "two hundred fifty million, six hundred five thousand, one hundred forty-five".