145063777 has 4 divisors (see below), whose sum is σ = 147228976. Its totient is φ = 142898580.

The previous prime is 145063759. The next prime is 145063799. The reversal of 145063777 is 777360541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145063777 - 2⁷ = 145063649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145063747) 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, 1082499 + ... + 1082632.

It is an arithmetic number, because the mean of its divisors is an integer number (36807244).

Almost surely, 2^145063777 is an apocalyptic number.

It is an amenable number.

145063777 is a deficient number, since it is larger than the sum of its proper divisors (2165199).

145063777 is an equidigital number, since it uses as much as digits as its factorization.

145063777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165198.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 145063777 is about 12044.2424834441. The cubic root of 145063777 is about 525.4358008037.

The spelling of 145063777 in words is "one hundred forty-five million, sixty-three thousand, seven hundred seventy-seven".