145053602 has 4 divisors (see below), whose sum is σ = 217580406. Its totient is φ = 72526800.

The previous prime is 145053599. The next prime is 145053607. The reversal of 145053602 is 206350541.

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., 120143521 + 24910081 = 10961^2 + 4991^2 .

It is not an unprimeable number, because it can be changed into a prime (145053607) 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, 36263399 + ... + 36263402.

Almost surely, 2^145053602 is an apocalyptic number.

145053602 is a deficient number, since it is larger than the sum of its proper divisors (72526804).

145053602 is an equidigital number, since it uses as much as digits as its factorization.

145053602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72526803.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 145053602 is about 12043.8200750426. The cubic root of 145053602 is about 525.4235155537.

The spelling of 145053602 in words is "one hundred forty-five million, fifty-three thousand, six hundred two".