145304466 has 16 divisors (see below), whose sum is σ = 290767104. Its totient is φ = 48408464.

The previous prime is 145304449. The next prime is 145304473. The reversal of 145304466 is 664403541.

It is a super-2 number, since 2×145304466² = 42226775679090312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7756 + ... + 18728.

It is an arithmetic number, because the mean of its divisors is an integer number (18172944).

Almost surely, 2^145304466 is an apocalyptic number.

145304466 is an abundant number, since it is smaller than the sum of its proper divisors (145462638).

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

145304466 is a wasteful number, since it uses less digits than its factorization.

145304466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13185.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 145304466 is about 12054.2302118385. The cubic root of 145304466 is about 525.7262402693.

The spelling of 145304466 in words is "one hundred forty-five million, three hundred four thousand, four hundred sixty-six".