245154563115 has 64 divisors (see below), whose sum is σ = 490140536832. Its totient is φ = 101652220800.

The previous prime is 245154563113. The next prime is 245154563119. The reversal of 245154563115 is 511365451542.

It is not a de Polignac number, because 245154563115 - 2¹ = 245154563113 is a prime.

It is a super-2 number, since 2×245154563115² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245154563113) 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 63 ways as a sum of consecutive naturals, for example, 272100 + ... + 751230.

It is an arithmetic number, because the mean of its divisors is an integer number (7658445888).

Almost surely, 2^245154563115 is an apocalyptic number.

245154563115 is a deficient number, since it is larger than the sum of its proper divisors (244985973717).

245154563115 is a wasteful number, since it uses less digits than its factorization.

245154563115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479600.

The product of its digits is 360000, while the sum is 42.

The spelling of 245154563115 in words is "two hundred forty-five billion, one hundred fifty-four million, five hundred sixty-three thousand, one hundred fifteen".