145354466 has 16 divisors (see below), whose sum is σ = 221667840. Its totient is φ = 71470560.

The previous prime is 145354441. The next prime is 145354481. The reversal of 145354466 is 664453541.

It is a super-2 number, since 2×145354466² = 42255841572290312, which contains 22 as substring.

It is a Curzon number.

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, 66950 + ... + 69086.

It is an arithmetic number, because the mean of its divisors is an integer number (13854240).

Almost surely, 2^145354466 is an apocalyptic number.

145354466 is a deficient number, since it is larger than the sum of its proper divisors (76313374).

145354466 is a wasteful number, since it uses less digits than its factorization.

145354466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689.

The product of its digits is 172800, while the sum is 38.

The square root of 145354466 is about 12056.3039941767. The cubic root of 145354466 is about 525.7865350380.

The spelling of 145354466 in words is "one hundred forty-five million, three hundred fifty-four thousand, four hundred sixty-six".