145666302 has 32 divisors (see below), whose sum is σ = 309010464. Its totient is φ = 45619200.

The previous prime is 145666289. The next prime is 145666307. The reversal of 145666302 is 203666541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145666307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89052 + ... + 90672.

It is an arithmetic number, because the mean of its divisors is an integer number (9656577).

Almost surely, 2^145666302 is an apocalyptic number.

145666302 is an abundant number, since it is smaller than the sum of its proper divisors (163344162).

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

145666302 is a wasteful number, since it uses less digits than its factorization.

145666302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 145666302 is about 12069.2295528754. The cubic root of 145666302 is about 526.1622649442.

The spelling of 145666302 in words is "one hundred forty-five million, six hundred sixty-six thousand, three hundred two".