245200034051 has 4 divisors (see below), whose sum is σ = 280228610352. Its totient is φ = 210171457752.

The previous prime is 245200034041. The next prime is 245200034063. The reversal of 245200034051 is 150430002542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150430002542 = 2 ⋅75215001271.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245200034051 is a prime.

It is a super-2 number, since 2×245200034051² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245200034051.

It is not an unprimeable number, because it can be changed into a prime (245200034011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17514288140 + ... + 17514288153.

It is an arithmetic number, because the mean of its divisors is an integer number (70057152588).

Almost surely, 2^245200034051 is an apocalyptic number.

245200034051 is a deficient number, since it is larger than the sum of its proper divisors (35028576301).

245200034051 is an equidigital number, since it uses as much as digits as its factorization.

245200034051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35028576300.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 245200034051 its reverse (150430002542), we get a palindrome (395630036593).

The spelling of 245200034051 in words is "two hundred forty-five billion, two hundred million, thirty-four thousand, fifty-one".