245122351501 has 4 divisors (see below), whose sum is σ = 259541313372. Its totient is φ = 230703389632.

The previous prime is 245122351483. The next prime is 245122351519. The reversal of 245122351501 is 105153221542.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (245122351483) and next prime (245122351519).

It can be written as a sum of positive squares in 2 ways, for example, as 159448476100 + 85673875401 = 399310^2 + 292701^2 .

It is a cyclic number.

It is not a de Polignac number, because 245122351501 - 2⁷ = 245122351373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245122351531) 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 3 ways as a sum of consecutive naturals, for example, 7209480910 + ... + 7209480943.

It is an arithmetic number, because the mean of its divisors is an integer number (64885328343).

Almost surely, 2^245122351501 is an apocalyptic number.

It is an amenable number.

245122351501 is a deficient number, since it is larger than the sum of its proper divisors (14418961871).

245122351501 is a wasteful number, since it uses less digits than its factorization.

245122351501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14418961870.

The product of its (nonzero) digits is 12000, while the sum is 31.

It can be divided in two parts, 2451223 and 51501, that added together give a square (2502724 = 1582²).

The spelling of 245122351501 in words is "two hundred forty-five billion, one hundred twenty-two million, three hundred fifty-one thousand, five hundred one".