145155319 has 2 divisors, whose sum is σ = 145155320. Its totient is φ = 145155318.

The previous prime is 145155301. The next prime is 145155331. The reversal of 145155319 is 913551541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145155319 - 2¹³ = 145147127 is a prime.

It is a super-2 number, since 2×145155319² = 42140133267983522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145155349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72577659 + 72577660.

It is an arithmetic number, because the mean of its divisors is an integer number (72577660).

Almost surely, 2^145155319 is an apocalyptic number.

145155319 is a deficient number, since it is larger than the sum of its proper divisors (1).

145155319 is an equidigital number, since it uses as much as digits as its factorization.

145155319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 34.

The square root of 145155319 is about 12048.0421231003. The cubic root of 145155319 is about 525.5463023843.

The spelling of 145155319 in words is "one hundred forty-five million, one hundred fifty-five thousand, three hundred nineteen".