145292519 has 2 divisors, whose sum is σ = 145292520. Its totient is φ = 145292518.

The previous prime is 145292491. The next prime is 145292527. The reversal of 145292519 is 915292541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145292519 - 2²⁰ = 144243943 is a prime.

It is a super-2 number, since 2×145292519² = 42219832154730722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145291519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72646259 + 72646260.

It is an arithmetic number, because the mean of its divisors is an integer number (72646260).

Almost surely, 2^145292519 is an apocalyptic number.

145292519 is a deficient number, since it is larger than the sum of its proper divisors (1).

145292519 is an equidigital number, since it uses as much as digits as its factorization.

145292519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 38.

The square root of 145292519 is about 12053.7346494769. The cubic root of 145292519 is about 525.7118313900.

The spelling of 145292519 in words is "one hundred forty-five million, two hundred ninety-two thousand, five hundred nineteen".