305400132 has 30 divisors (see below), whose sum is σ = 798377118. Its totient is φ = 101799936.

The previous prime is 305400119. The next prime is 305400143. The reversal of 305400132 is 231004503.

It can be written as a sum of positive squares in only one way, i.e., 175986756 + 129413376 = 13266^2 + 11376^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 470973 + ... + 471620.

Almost surely, 2^305400132 is an apocalyptic number.

It is an amenable number.

305400132 is an abundant number, since it is smaller than the sum of its proper divisors (492976986).

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

305400132 is a wasteful number, since it uses less digits than its factorization.

305400132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942609 (or 942598 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 305400132 is about 17475.7011876491. The cubic root of 305400132 is about 673.4257833607.

Adding to 305400132 its reverse (231004503), we get a palindrome (536404635).

The spelling of 305400132 in words is "three hundred five million, four hundred thousand, one hundred thirty-two".