245144146 has 8 divisors (see below), whose sum is σ = 396002124. Its totient is φ = 113143440.

The previous prime is 245144111. The next prime is 245144167. The reversal of 245144146 is 641441542.

245144146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 237498921 + 7645225 = 15411^2 + 2765^2 .

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

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, 4714285 + ... + 4714336.

Almost surely, 2^245144146 is an apocalyptic number.

245144146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

245144146 is a deficient number, since it is larger than the sum of its proper divisors (150857978).

245144146 is a wasteful number, since it uses less digits than its factorization.

245144146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9428636.

The product of its digits is 15360, while the sum is 31.

The square root of 245144146 is about 15657.0797404880. The cubic root of 245144146 is about 625.8551672886.

Adding to 245144146 its reverse (641441542), we get a palindrome (886585688).

The spelling of 245144146 in words is "two hundred forty-five million, one hundred forty-four thousand, one hundred forty-six".