145625000257 has 8 divisors (see below), whose sum is σ = 164341693440. Its totient is φ = 127821316560.

The previous prime is 145625000221. The next prime is 145625000263. The reversal of 145625000257 is 752000526541.

145625000257 is digitally balanced in base 2, 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 cyclic number.

It is not a de Polignac number, because 145625000257 - 2²³ = 145616611649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145625000957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228252033 + ... + 228252670.

It is an arithmetic number, because the mean of its divisors is an integer number (20542711680).

Almost surely, 2^145625000257 is an apocalyptic number.

It is an amenable number.

145625000257 is a deficient number, since it is larger than the sum of its proper divisors (18716693183).

145625000257 is a wasteful number, since it uses less digits than its factorization.

145625000257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456504743.

The product of its (nonzero) digits is 84000, while the sum is 37.

Adding to 145625000257 its reverse (752000526541), we get a palindrome (897625526798).

The spelling of 145625000257 in words is "one hundred forty-five billion, six hundred twenty-five million, two hundred fifty-seven", and thus it is an aban number.