30145776 has 20 divisors (see below), whose sum is σ = 77876712. Its totient is φ = 10048576.

The previous prime is 30145763. The next prime is 30145807. The reversal of 30145776 is 67754103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313971 + ... + 314066.

Almost surely, 2^30145776 is an apocalyptic number.

It is an amenable number.

30145776 is an abundant number, since it is smaller than the sum of its proper divisors (47730936).

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

30145776 is a wasteful number, since it uses less digits than its factorization.

30145776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628048 (or 628042 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 30145776 is about 5490.5169155554. The cubic root of 30145776 is about 311.2257264017.

Adding to 30145776 its reverse (67754103), we get a palindrome (97899879).

The spelling of 30145776 in words is "thirty million, one hundred forty-five thousand, seven hundred seventy-six".