145251563 has 4 divisors (see below), whose sum is σ = 145305600. Its totient is φ = 145197528.

The previous prime is 145251539. The next prime is 145251629. The reversal of 145251563 is 365152541.

145251563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145251563 - 2¹² = 145247467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145251503) 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, 22763 + ... + 28436.

It is an arithmetic number, because the mean of its divisors is an integer number (36326400).

Almost surely, 2^145251563 is an apocalyptic number.

145251563 is a deficient number, since it is larger than the sum of its proper divisors (54037).

145251563 is an equidigital number, since it uses as much as digits as its factorization.

145251563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54036.

The product of its digits is 18000, while the sum is 32.

The square root of 145251563 is about 12052.0356371859. The cubic root of 145251563 is about 525.6624297247.

The spelling of 145251563 in words is "one hundred forty-five million, two hundred fifty-one thousand, five hundred sixty-three".