245311038 has 32 divisors (see below), whose sum is σ = 623013120. Its totient is φ = 70088760.

The previous prime is 245311019. The next prime is 245311039. The reversal of 245311038 is 830113542.

It is a happy number.

245311038 is a `hidden beast` number, since 24 + 531 + 103 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245311039) 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 15 ways as a sum of consecutive naturals, for example, 324108 + ... + 324863.

It is an arithmetic number, because the mean of its divisors is an integer number (19469160).

Almost surely, 2^245311038 is an apocalyptic number.

245311038 is an abundant number, since it is smaller than the sum of its proper divisors (377702082).

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

245311038 is a wasteful number, since it uses less digits than its factorization.

245311038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648989 (or 648983 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 245311038 is about 15662.4084354865. The cubic root of 245311038 is about 625.9971606536.

The spelling of 245311038 in words is "two hundred forty-five million, three hundred eleven thousand, thirty-eight".