145773254 has 16 divisors (see below), whose sum is σ = 239181120. Its totient is φ = 66081960.

The previous prime is 145773233. The next prime is 145773259. The reversal of 145773254 is 452377541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145773259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404 + ... + 17079.

It is an arithmetic number, because the mean of its divisors is an integer number (14948820).

Almost surely, 2^145773254 is an apocalyptic number.

145773254 is a deficient number, since it is larger than the sum of its proper divisors (93407866).

145773254 is a wasteful number, since it uses less digits than its factorization.

145773254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17875.

The product of its digits is 117600, while the sum is 38.

The square root of 145773254 is about 12073.6595115151. The cubic root of 145773254 is about 526.2910074623.

The spelling of 145773254 in words is "one hundred forty-five million, seven hundred seventy-three thousand, two hundred fifty-four".