245551402 has 32 divisors (see below), whose sum is σ = 395254080. Its totient is φ = 114076800.

The previous prime is 245551393. The next prime is 245551409. The reversal of 245551402 is 204155542.

It is not an unprimeable number, because it can be changed into a prime (245551409) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 525573 + ... + 526039.

It is an arithmetic number, because the mean of its divisors is an integer number (12351690).

Almost surely, 2^245551402 is an apocalyptic number.

245551402 is a deficient number, since it is larger than the sum of its proper divisors (149702678).

245551402 is a wasteful number, since it uses less digits than its factorization.

245551402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 245551402 is about 15670.0798338745. The cubic root of 245551402 is about 626.2015515977.

The spelling of 245551402 in words is "two hundred forty-five million, five hundred fifty-one thousand, four hundred two".