145462066 has 4 divisors (see below), whose sum is σ = 218193102. Its totient is φ = 72731032.

The previous prime is 145462061. The next prime is 145462123. The reversal of 145462066 is 660264541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 109641841 + 35820225 = 10471^2 + 5985^2 .

It is not an unprimeable number, because it can be changed into a prime (145462061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36365515 + ... + 36365518.

Almost surely, 2^145462066 is an apocalyptic number.

145462066 is a deficient number, since it is larger than the sum of its proper divisors (72731036).

145462066 is an equidigital number, since it uses as much as digits as its factorization.

145462066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72731035.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 145462066 is about 12060.7655644242. The cubic root of 145462066 is about 525.9162425008.

The spelling of 145462066 in words is "one hundred forty-five million, four hundred sixty-two thousand, sixty-six".