655402146 has 48 divisors (see below), whose sum is σ = 1577413440. Its totient is φ = 180798240.

The previous prime is 655402133. The next prime is 655402159. The reversal of 655402146 is 641204556.

It is an interprime number because it is at equal distance from previous prime (655402133) and next prime (655402159).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29910 + ... + 46961.

It is an arithmetic number, because the mean of its divisors is an integer number (32862780).

Almost surely, 2^655402146 is an apocalyptic number.

655402146 is an abundant number, since it is smaller than the sum of its proper divisors (922011294).

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

655402146 is a wasteful number, since it uses less digits than its factorization.

655402146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76919 (or 76912 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 655402146 is about 25600.8231508286. The cubic root of 655402146 is about 868.6322570032.

The spelling of 655402146 in words is "six hundred fifty-five million, four hundred two thousand, one hundred forty-six".