145378027 has 2 divisors, whose sum is σ = 145378028. Its totient is φ = 145378026.

The previous prime is 145378021. The next prime is 145378031. The reversal of 145378027 is 720873541.

145378027 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 a cyclic number.

It is not a de Polignac number, because 145378027 - 2¹⁵ = 145345259 is a prime.

It is a super-2 number, since 2×145378027² = 42269541468825458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145378021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72689013 + 72689014.

It is an arithmetic number, because the mean of its divisors is an integer number (72689014).

Almost surely, 2^145378027 is an apocalyptic number.

145378027 is a deficient number, since it is larger than the sum of its proper divisors (1).

145378027 is an equidigital number, since it uses as much as digits as its factorization.

145378027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 145378027 is about 12057.2810782531. The cubic root of 145378027 is about 525.8149423461.

The spelling of 145378027 in words is "one hundred forty-five million, three hundred seventy-eight thousand, twenty-seven".