245481402 has 16 divisors (see below), whose sum is σ = 496480320. Its totient is φ = 80907552.

The previous prime is 245481389. The next prime is 245481403. The reversal of 245481402 is 204184542.

It is a super-2 number, since 2×245481402² = 120522237455771208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245481402.

It is not an unprimeable number, because it can be changed into a prime (245481403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229318 + ... + 230385.

It is an arithmetic number, because the mean of its divisors is an integer number (31030020).

Almost surely, 2^245481402 is an apocalyptic number.

245481402 is an abundant number, since it is smaller than the sum of its proper divisors (250998918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245481402 is a wasteful number, since it uses less digits than its factorization.

245481402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459797.

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 245481402 is about 15667.8461187235. The cubic root of 245481402 is about 626.1420416211.

The spelling of 245481402 in words is "two hundred forty-five million, four hundred eighty-one thousand, four hundred two".