145042266 has 32 divisors (see below), whose sum is σ = 307929600. Its totient is φ = 45387776.

The previous prime is 145042259. The next prime is 145042309. The reversal of 145042266 is 662240541.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 44215 + ... + 47381.

It is an arithmetic number, because the mean of its divisors is an integer number (9622800).

Almost surely, 2^145042266 is an apocalyptic number.

145042266 is an abundant number, since it is smaller than the sum of its proper divisors (162887334).

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

145042266 is a wasteful number, since it uses less digits than its factorization.

145042266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 145042266 is about 12043.3494510456. The cubic root of 145042266 is about 525.4098278409.

The spelling of 145042266 in words is "one hundred forty-five million, forty-two thousand, two hundred sixty-six".