245445155031 has 8 divisors (see below), whose sum is σ = 330634023664. Its totient is φ = 161943194880.

The previous prime is 245445154991. The next prime is 245445155093. The reversal of 245445155031 is 130551544542.

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

It is not a de Polignac number, because 245445155031 - 2¹¹ = 245445152983 is a prime.

It is a super-2 number, since 2×245445155031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245445155531) 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, 421726780 + ... + 421727361.

It is an arithmetic number, because the mean of its divisors is an integer number (41329252958).

Almost surely, 2^245445155031 is an apocalyptic number.

245445155031 is a deficient number, since it is larger than the sum of its proper divisors (85188868633).

245445155031 is an equidigital number, since it uses as much as digits as its factorization.

245445155031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843454241.

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 245445155031 its reverse (130551544542), we get a palindrome (375996699573).

The spelling of 245445155031 in words is "two hundred forty-five billion, four hundred forty-five million, one hundred fifty-five thousand, thirty-one".