145271083 has 2 divisors, whose sum is σ = 145271084. Its totient is φ = 145271082.

The previous prime is 145271057. The next prime is 145271111. The reversal of 145271083 is 380172541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145271083 - 2²¹ = 143173931 is a prime.

It is a super-2 number, since 2×145271083² = 42207375111985778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145271023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72635541 + 72635542.

It is an arithmetic number, because the mean of its divisors is an integer number (72635542).

Almost surely, 2^145271083 is an apocalyptic number.

145271083 is a deficient number, since it is larger than the sum of its proper divisors (1).

145271083 is an equidigital number, since it uses as much as digits as its factorization.

145271083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 145271083 is about 12052.8454316813. The cubic root of 145271083 is about 525.6859761633.

The spelling of 145271083 in words is "one hundred forty-five million, two hundred seventy-one thousand, eighty-three".