145032210251 has 8 divisors (see below), whose sum is σ = 145371275424. Its totient is φ = 144693536320.

The previous prime is 145032210247. The next prime is 145032210259. The reversal of 145032210251 is 152012230541.

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 145032210251 - 2² = 145032210247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145032210251.

It is not an unprimeable number, because it can be changed into a prime (145032210259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651125 + ... + 845001.

It is an arithmetic number, because the mean of its divisors is an integer number (18171409428).

Almost surely, 2^145032210251 is an apocalyptic number.

145032210251 is a deficient number, since it is larger than the sum of its proper divisors (339065173).

145032210251 is an equidigital number, since it uses as much as digits as its factorization.

145032210251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195621.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 145032210251 its reverse (152012230541), we get a palindrome (297044440792).

The spelling of 145032210251 in words is "one hundred forty-five billion, thirty-two million, two hundred ten thousand, two hundred fifty-one".