245341730 has 8 divisors (see below), whose sum is σ = 441615132. Its totient is φ = 98136688.

The previous prime is 245341687. The next prime is 245341751. The reversal of 245341730 is 37143542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 241833601 + 3508129 = 15551^2 + 1873^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 245341693 and 245341702.

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, 12267077 + ... + 12267096.

Almost surely, 2^245341730 is an apocalyptic number.

245341730 is a deficient number, since it is larger than the sum of its proper divisors (196273402).

245341730 is a wasteful number, since it uses less digits than its factorization.

245341730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24534180.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 245341730 is about 15663.3882030677. The cubic root of 245341730 is about 626.0232666995.

The spelling of 245341730 in words is "two hundred forty-five million, three hundred forty-one thousand, seven hundred thirty".