245400451423045 has 4 divisors (see below), whose sum is σ = 294480541707660. Its totient is φ = 196320361138432.

The previous prime is 245400451423019. The next prime is 245400451423051. The reversal of 245400451423045 is 540324154004542.

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

It can be written as a sum of positive squares in 2 ways, for example, as 131348859327009 + 114051592096036 = 11460753^2 + 10679494^2 .

It is a cyclic number.

It is not a de Polignac number, because 245400451423045 - 2⁵ = 245400451423013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245400451422992 and 245400451423010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24540045142300 + ... + 24540045142309.

It is an arithmetic number, because the mean of its divisors is an integer number (73620135426915).

Almost surely, 2^{245400451423045} is an apocalyptic number.

It is an amenable number.

245400451423045 is a deficient number, since it is larger than the sum of its proper divisors (49080090284615).

245400451423045 is an equidigital number, since it uses as much as digits as its factorization.

245400451423045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49080090284614.

The product of its (nonzero) digits is 1536000, while the sum is 43.

The spelling of 245400451423045 in words is "two hundred forty-five trillion, four hundred billion, four hundred fifty-one million, four hundred twenty-three thousand, forty-five".