145342466 has 8 divisors (see below), whose sum is σ = 218406780. Its totient is φ = 72540208.

The previous prime is 145342447. The next prime is 145342481. The reversal of 145342466 is 664243541.

It can be written as a sum of positive squares in 2 ways, for example, as 138556441 + 6786025 = 11771^2 + 2605^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145342466² = 42248864845922312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64121 + ... + 66348.

Almost surely, 2^145342466 is an apocalyptic number.

145342466 is a deficient number, since it is larger than the sum of its proper divisors (73064314).

145342466 is a wasteful number, since it uses less digits than its factorization.

145342466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131028.

The product of its digits is 69120, while the sum is 35.

The square root of 145342466 is about 12055.8063189486. The cubic root of 145342466 is about 525.7720655547.

The spelling of 145342466 in words is "one hundred forty-five million, three hundred forty-two thousand, four hundred sixty-six".