145000274 has 8 divisors (see below), whose sum is σ = 218605068. Its totient is φ = 72131920.

The previous prime is 145000249. The next prime is 145000277. The reversal of 145000274 is 472000541.

It can be written as a sum of positive squares in 2 ways, for example, as 137898049 + 7102225 = 11743^2 + 2665^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145000277) 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 3 ways as a sum of consecutive naturals, for example, 183617 + ... + 184404.

Almost surely, 2^145000274 is an apocalyptic number.

145000274 is a deficient number, since it is larger than the sum of its proper divisors (73604794).

145000274 is a wasteful number, since it uses less digits than its factorization.

145000274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368220.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 145000274 is about 12041.6059560177. The cubic root of 145000274 is about 525.3591181647.

The spelling of 145000274 in words is "one hundred forty-five million, two hundred seventy-four", and thus it is an aban number.