145054783 has 4 divisors (see below), whose sum is σ = 145688440. Its totient is φ = 144421128.

The previous prime is 145054771. The next prime is 145054787. The reversal of 145054783 is 387450541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 387450541 = 457 ⋅847813.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145054783 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145054787) 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, 316485 + ... + 316942.

It is an arithmetic number, because the mean of its divisors is an integer number (36422110).

Almost surely, 2^145054783 is an apocalyptic number.

145054783 is a deficient number, since it is larger than the sum of its proper divisors (633657).

145054783 is an equidigital number, since it uses as much as digits as its factorization.

145054783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633656.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 145054783 is about 12043.8691042372. The cubic root of 145054783 is about 525.4249415174.

The spelling of 145054783 in words is "one hundred forty-five million, fifty-four thousand, seven hundred eighty-three".