145889763 has 4 divisors (see below), whose sum is σ = 194519688. Its totient is φ = 97259840.

The previous prime is 145889747. The next prime is 145889773. The reversal of 145889763 is 367988541.

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 145889763 - 2⁴ = 145889747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145889743) 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 3 ways as a sum of consecutive naturals, for example, 24314958 + ... + 24314963.

It is an arithmetic number, because the mean of its divisors is an integer number (48629922).

Almost surely, 2^145889763 is an apocalyptic number.

145889763 is a deficient number, since it is larger than the sum of its proper divisors (48629925).

145889763 is an equidigital number, since it uses as much as digits as its factorization.

145889763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48629924.

The product of its digits is 1451520, while the sum is 51.

The square root of 145889763 is about 12078.4834726881. The cubic root of 145889763 is about 526.4311824911.

The spelling of 145889763 in words is "one hundred forty-five million, eight hundred eighty-nine thousand, seven hundred sixty-three".