245501123145 has 8 divisors (see below), whose sum is σ = 392801797056. Its totient is φ = 130933932336.

The previous prime is 245501123141. The next prime is 245501123207. The reversal of 245501123145 is 541321105542.

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

It is not a de Polignac number, because 245501123145 - 2² = 245501123141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245501123141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8183370757 + ... + 8183370786.

It is an arithmetic number, because the mean of its divisors is an integer number (49100224632).

Almost surely, 2^245501123145 is an apocalyptic number.

It is an amenable number.

245501123145 is a deficient number, since it is larger than the sum of its proper divisors (147300673911).

245501123145 is a wasteful number, since it uses less digits than its factorization.

245501123145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16366741551.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 245501123145 its reverse (541321105542), we get a palindrome (786822228687).

The spelling of 245501123145 in words is "two hundred forty-five billion, five hundred one million, one hundred twenty-three thousand, one hundred forty-five".