245506654 has 4 divisors (see below), whose sum is σ = 368259984. Its totient is φ = 122753326.

The previous prime is 245506633. The next prime is 245506699. The reversal of 245506654 is 456605542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 456605542 = 2 ⋅228302771.

It is a super-3 number, since 3×245506654³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61376662 + ... + 61376665.

It is an arithmetic number, because the mean of its divisors is an integer number (92064996).

Almost surely, 2^245506654 is an apocalyptic number.

245506654 is a deficient number, since it is larger than the sum of its proper divisors (122753330).

245506654 is a wasteful number, since it uses less digits than its factorization.

245506654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122753329.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 245506654 is about 15668.6519522261. The cubic root of 245506654 is about 626.1635107244.

The spelling of 245506654 in words is "two hundred forty-five million, five hundred six thousand, six hundred fifty-four".