145025745 has 16 divisors (see below), whose sum is σ = 233871360. Its totient is φ = 76737024.

The previous prime is 145025743. The next prime is 145025753. The reversal of 145025745 is 547520541.

It is not a de Polignac number, because 145025745 - 2¹ = 145025743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145025743) 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 in 15 ways as a sum of consecutive naturals, for example, 36160 + ... + 39969.

It is an arithmetic number, because the mean of its divisors is an integer number (14616960).

Almost surely, 2^145025745 is an apocalyptic number.

145025745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145025745 is a deficient number, since it is larger than the sum of its proper divisors (88845615).

145025745 is a wasteful number, since it uses less digits than its factorization.

145025745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76264.

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 145025745 is about 12042.6635342851. The cubic root of 145025745 is about 525.3898781954.

The spelling of 145025745 in words is "one hundred forty-five million, twenty-five thousand, seven hundred forty-five".