145572667 has 2 divisors, whose sum is σ = 145572668. Its totient is φ = 145572666.

The previous prime is 145572659. The next prime is 145572671. The reversal of 145572667 is 766275541.

145572667 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 145572667 - 2³ = 145572659 is a prime.

It is not a weakly prime, because it can be changed into another prime (145572617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72786333 + 72786334.

It is an arithmetic number, because the mean of its divisors is an integer number (72786334).

Almost surely, 2^145572667 is an apocalyptic number.

145572667 is a deficient number, since it is larger than the sum of its proper divisors (1).

145572667 is an equidigital number, since it uses as much as digits as its factorization.

145572667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 43.

The square root of 145572667 is about 12065.3498498800. The cubic root of 145572667 is about 526.0495009003.

The spelling of 145572667 in words is "one hundred forty-five million, five hundred seventy-two thousand, six hundred sixty-seven".