245213154 has 24 divisors (see below), whose sum is σ = 549616860. Its totient is φ = 78919008.

The previous prime is 245213113. The next prime is 245213159. The reversal of 245213154 is 451312542.

It can be written as a sum of positive squares in 2 ways, for example, as 244203129 + 1010025 = 15627^2 + 1005^2 .

It is not an unprimeable number, because it can be changed into a prime (245213159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234357 + ... + 235400.

Almost surely, 2^245213154 is an apocalyptic number.

245213154 is an abundant number, since it is smaller than the sum of its proper divisors (304403706).

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

245213154 is a wasteful number, since it uses less digits than its factorization.

245213154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469794 (or 469791 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 245213154 is about 15659.2833169338. The cubic root of 245213154 is about 625.9138877899.

Adding to 245213154 its reverse (451312542), we get a palindrome (696525696).

The spelling of 245213154 in words is "two hundred forty-five million, two hundred thirteen thousand, one hundred fifty-four".