245242302515 has 192 divisors, whose sum is σ = 387114723072. Its totient is φ = 145494835200.

The previous prime is 245242302511. The next prime is 245242302563. The reversal of 245242302515 is 515203242542.

It is a happy number.

It is not a de Polignac number, because 245242302515 - 2² = 245242302511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (245242302511) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1017602795 + ... + 1017603035.

It is an arithmetic number, because the mean of its divisors is an integer number (2016222516).

Almost surely, 2^245242302515 is an apocalyptic number.

245242302515 is a deficient number, since it is larger than the sum of its proper divisors (141872420557).

245242302515 is a wasteful number, since it uses less digits than its factorization.

245242302515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 245242302515 in words is "two hundred forty-five billion, two hundred forty-two million, three hundred two thousand, five hundred fifteen".