145394158 has 32 divisors (see below), whose sum is σ = 273502656. Its totient is φ = 56429568.

The previous prime is 145394153. The next prime is 145394167. The reversal of 145394158 is 851493541.

145394158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145394158² = 42278922361057928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145394158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145394153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2110 + ... + 17182.

It is an arithmetic number, because the mean of its divisors is an integer number (8546958).

Almost surely, 2^145394158 is an apocalyptic number.

145394158 is a deficient number, since it is larger than the sum of its proper divisors (128108498).

145394158 is a wasteful number, since it uses less digits than its factorization.

145394158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15148.

The product of its digits is 86400, while the sum is 40.

The square root of 145394158 is about 12057.9499916031. The cubic root of 145394158 is about 525.8343895929.

The spelling of 145394158 in words is "one hundred forty-five million, three hundred ninety-four thousand, one hundred fifty-eight".