461145630 has 64 divisors (see below), whose sum is σ = 1259877888. Its totient is φ = 106930560.

The previous prime is 461145583. The next prime is 461145647. The reversal of 461145630 is 36541164.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22789 + ... + 37968.

It is an arithmetic number, because the mean of its divisors is an integer number (19685592).

Almost surely, 2^461145630 is an apocalyptic number.

461145630 is an abundant number, since it is smaller than the sum of its proper divisors (798732258).

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

461145630 is a wasteful number, since it uses less digits than its factorization.

461145630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60801.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 461145630 is about 21474.3016184462. The cubic root of 461145630 is about 772.5845740607.

Adding to 461145630 its reverse (36541164), we get a palindrome (497686794).

The spelling of 461145630 in words is "four hundred sixty-one million, one hundred forty-five thousand, six hundred thirty".