145025512 has 8 divisors (see below), whose sum is σ = 271922850. Its totient is φ = 72512752.

The previous prime is 145025509. The next prime is 145025513. The reversal of 145025512 is 215520541.

It can be written as a sum of positive squares in only one way, i.e., 128913316 + 16112196 = 11354^2 + 4014^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (145025513) 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 as a sum of consecutive naturals, namely, 9064087 + ... + 9064102.

Almost surely, 2^145025512 is an apocalyptic number.

It is an amenable number.

145025512 is a deficient number, since it is larger than the sum of its proper divisors (126897338).

145025512 is a wasteful number, since it uses less digits than its factorization.

145025512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18128195 (or 18128191 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 145025512 is about 12042.6538603416. The cubic root of 145025512 is about 525.3895968295.

It can be divided in two parts, 1450 and 25512, that added together give a palindrome (26962).

The spelling of 145025512 in words is "one hundred forty-five million, twenty-five thousand, five hundred twelve".