145018071 has 12 divisors (see below), whose sum is σ = 228513480. Its totient is φ = 87889680.

The previous prime is 145018057. The next prime is 145018079. The reversal of 145018071 is 170810541.

145018071 is a `hidden beast` number, since 14 + 501 + 80 + 71 = 666.

145018071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145018071 - 2⁹ = 145017559 is a prime.

It is a super-2 number, since 2×145018071² = 42060481833122082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145018079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 732316 + ... + 732513.

It is an arithmetic number, because the mean of its divisors is an integer number (19042790).

Almost surely, 2^145018071 is an apocalyptic number.

145018071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145018071 is a deficient number, since it is larger than the sum of its proper divisors (83495409).

145018071 is a wasteful number, since it uses less digits than its factorization.

145018071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464846 (or 1464843 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 145018071 is about 12042.3449128482. The cubic root of 145018071 is about 525.3806110752.

The spelling of 145018071 in words is "one hundred forty-five million, eighteen thousand, seventy-one".