245365143154 has 4 divisors (see below), whose sum is σ = 368047714734. Its totient is φ = 122682571576.

The previous prime is 245365143143. The next prime is 245365143227. The reversal of 245365143154 is 451341563542.

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

It can be written as a sum of positive squares in only one way, i.e., 216994793929 + 28370349225 = 465827^2 + 168435^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 245365143154.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61341285787 + ... + 61341285790.

Almost surely, 2^245365143154 is an apocalyptic number.

245365143154 is a deficient number, since it is larger than the sum of its proper divisors (122682571580).

245365143154 is a wasteful number, since it uses less digits than its factorization.

245365143154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122682571579.

The product of its digits is 864000, while the sum is 43.

The spelling of 245365143154 in words is "two hundred forty-five billion, three hundred sixty-five million, one hundred forty-three thousand, one hundred fifty-four".