145356583 has 2 divisors, whose sum is σ = 145356584. Its totient is φ = 145356582.

The previous prime is 145356577. The next prime is 145356637. The reversal of 145356583 is 385653541.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145356583 is a prime.

It is a super-2 number, since 2×145356583² = 42257072442871778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145356553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72678291 + 72678292.

It is an arithmetic number, because the mean of its divisors is an integer number (72678292).

Almost surely, 2^145356583 is an apocalyptic number.

145356583 is a deficient number, since it is larger than the sum of its proper divisors (1).

145356583 is an equidigital number, since it uses as much as digits as its factorization.

145356583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 40.

The square root of 145356583 is about 12056.3917902497. The cubic root of 145356583 is about 525.7890876134.

The spelling of 145356583 in words is "one hundred forty-five million, three hundred fifty-six thousand, five hundred eighty-three".