305454136 has 16 divisors (see below), whose sum is σ = 616782600. Its totient is φ = 140978784.

The previous prime is 305454133. The next prime is 305454137. The reversal of 305454136 is 631454503.

It is a junction number, because it is equal to n+sod(n) for n = 305454098 and 305454107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305454133) 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 3 ways as a sum of consecutive naturals, for example, 1468426 + ... + 1468633.

Almost surely, 2^305454136 is an apocalyptic number.

It is an amenable number.

305454136 is an abundant number, since it is smaller than the sum of its proper divisors (311328464).

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

305454136 is a wasteful number, since it uses less digits than its factorization.

305454136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937078 (or 2937074 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 305454136 is about 17477.2462361781. The cubic root of 305454136 is about 673.4654750512.

The spelling of 305454136 in words is "three hundred five million, four hundred fifty-four thousand, one hundred thirty-six".