145380304 has 10 divisors (see below), whose sum is σ = 281674370. Its totient is φ = 72690144.

The previous prime is 145380271. The next prime is 145380317. The reversal of 145380304 is 403083541.

It can be written as a sum of positive squares in only one way, i.e., 145250704 + 129600 = 12052^2 + 360^2 .

It is a super-2 number, since 2×145380304² = 42270865582264832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4543119 + ... + 4543150.

It is an arithmetic number, because the mean of its divisors is an integer number (28167437).

Almost surely, 2^145380304 is an apocalyptic number.

It is an amenable number.

145380304 is a deficient number, since it is larger than the sum of its proper divisors (136294066).

145380304 is an equidigital number, since it uses as much as digits as its factorization.

145380304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9086277 (or 9086271 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 145380304 is about 12057.3755021563. The cubic root of 145380304 is about 525.8176875440.

The spelling of 145380304 in words is "one hundred forty-five million, three hundred eighty thousand, three hundred four".