245153450131 has 4 divisors (see below), whose sum is σ = 246507889264. Its totient is φ = 243799011000.

The previous prime is 245153450123. The next prime is 245153450149. The reversal of 245153450131 is 131054351542.

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

It is a cyclic number.

It is not a de Polignac number, because 245153450131 - 2³ = 245153450123 is a prime.

It is a super-2 number, since 2×245153450131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245153453131) 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, 677219295 + ... + 677219656.

It is an arithmetic number, because the mean of its divisors is an integer number (61626972316).

Almost surely, 2^245153450131 is an apocalyptic number.

245153450131 is a deficient number, since it is larger than the sum of its proper divisors (1354439133).

245153450131 is a wasteful number, since it uses less digits than its factorization.

245153450131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354439132.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 245153450131 in words is "two hundred forty-five billion, one hundred fifty-three million, four hundred fifty thousand, one hundred thirty-one".