145972763 has 8 divisors (see below), whose sum is σ = 153792000. Its totient is φ = 138167208.

The previous prime is 145972753. The next prime is 145972777. The reversal of 145972763 is 367279541.

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 145972763 - 2²⁰ = 144924187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145972753) 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, 24338 + ... + 29736.

It is an arithmetic number, because the mean of its divisors is an integer number (19224000).

Almost surely, 2^145972763 is an apocalyptic number.

145972763 is a deficient number, since it is larger than the sum of its proper divisors (7819237).

145972763 is a wasteful number, since it uses less digits than its factorization.

145972763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6841.

The product of its digits is 317520, while the sum is 44.

The square root of 145972763 is about 12081.9188459450. The cubic root of 145972763 is about 526.5309964504.

The spelling of 145972763 in words is "one hundred forty-five million, nine hundred seventy-two thousand, seven hundred sixty-three".