145728374 has 8 divisors (see below), whose sum is σ = 238464648. Its totient is φ = 66240160.

The previous prime is 145728337. The next prime is 145728379. The reversal of 145728374 is 473827541.

145728374 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145728379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3311987 + ... + 3312030.

It is an arithmetic number, because the mean of its divisors is an integer number (29808081).

Almost surely, 2^145728374 is an apocalyptic number.

145728374 is a deficient number, since it is larger than the sum of its proper divisors (92736274).

145728374 is a wasteful number, since it uses less digits than its factorization.

145728374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6624030.

The product of its digits is 188160, while the sum is 41.

The square root of 145728374 is about 12071.8007770175. The cubic root of 145728374 is about 526.2369912323.

The spelling of 145728374 in words is "one hundred forty-five million, seven hundred twenty-eight thousand, three hundred seventy-four".