145325399 has 2 divisors, whose sum is σ = 145325400. Its totient is φ = 145325398.

The previous prime is 145325393. The next prime is 145325419. The reversal of 145325399 is 993523541.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145325399 is a prime.

It is a super-2 number, since 2×145325399² = 42238943189018402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145325393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72662699 + 72662700.

It is an arithmetic number, because the mean of its divisors is an integer number (72662700).

Almost surely, 2^145325399 is an apocalyptic number.

145325399 is a deficient number, since it is larger than the sum of its proper divisors (1).

145325399 is an equidigital number, since it uses as much as digits as its factorization.

145325399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 41.

The square root of 145325399 is about 12055.0984649649. The cubic root of 145325399 is about 525.7514849601.

The spelling of 145325399 in words is "one hundred forty-five million, three hundred twenty-five thousand, three hundred ninety-nine".