145054202 has 4 divisors (see below), whose sum is σ = 217581306. Its totient is φ = 72527100.

The previous prime is 145054153. The next prime is 145054211. The reversal of 145054202 is 202450541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202450541 = 1151 ⋅175891.

It can be written as a sum of positive squares in only one way, i.e., 81198121 + 63856081 = 9011^2 + 7991^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36263549 + ... + 36263552.

Almost surely, 2^145054202 is an apocalyptic number.

145054202 is a deficient number, since it is larger than the sum of its proper divisors (72527104).

145054202 is an equidigital number, since it uses as much as digits as its factorization.

145054202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72527103.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 145054202 is about 12043.8449840572. The cubic root of 145054202 is about 525.4242400070.

The spelling of 145054202 in words is "one hundred forty-five million, fifty-four thousand, two hundred two".