145349383 has 2 divisors, whose sum is σ = 145349384. Its totient is φ = 145349382.

The previous prime is 145349287. The next prime is 145349419. The reversal of 145349383 is 383943541.

It is a happy number.

145349383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (383943541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145349383 - 2⁹ = 145348871 is a prime.

It is a super-2 number, since 2×145349383² = 42252886276961378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145379383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72674691 + 72674692.

It is an arithmetic number, because the mean of its divisors is an integer number (72674692).

Almost surely, 2^145349383 is an apocalyptic number.

145349383 is a deficient number, since it is larger than the sum of its proper divisors (1).

145349383 is an equidigital number, since it uses as much as digits as its factorization.

145349383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 145349383 is about 12056.0931897526. The cubic root of 145349383 is about 525.7804061033.

The spelling of 145349383 in words is "one hundred forty-five million, three hundred forty-nine thousand, three hundred eighty-three".