145020763 has 4 divisors (see below), whose sum is σ = 147185320. Its totient is φ = 142856208.

The previous prime is 145020751. The next prime is 145020767. The reversal of 145020763 is 367020541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145020763 is a prime.

It is a super-2 number, since 2×145020763² = 42062043402204338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145020767) 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, 1082178 + ... + 1082311.

It is an arithmetic number, because the mean of its divisors is an integer number (36796330).

Almost surely, 2^145020763 is an apocalyptic number.

145020763 is a deficient number, since it is larger than the sum of its proper divisors (2164557).

145020763 is an equidigital number, since it uses as much as digits as its factorization.

145020763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164556.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 145020763 is about 12042.4566845806. The cubic root of 145020763 is about 525.3838619709.

The spelling of 145020763 in words is "one hundred forty-five million, twenty thousand, seven hundred sixty-three".