145741658 has 8 divisors (see below), whose sum is σ = 218669652. Its totient is φ = 72851776.

The previous prime is 145741643. The next prime is 145741667. The reversal of 145741658 is 856147541.

145741658 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 143688169 + 2053489 = 11987^2 + 1433^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3716 + ... + 17472.

Almost surely, 2^145741658 is an apocalyptic number.

145741658 is a deficient number, since it is larger than the sum of its proper divisors (72927994).

145741658 is a wasteful number, since it uses less digits than its factorization.

145741658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19056.

The product of its digits is 134400, while the sum is 41.

The square root of 145741658 is about 12072.3509723666. The cubic root of 145741658 is about 526.2529806140.

The spelling of 145741658 in words is "one hundred forty-five million, seven hundred forty-one thousand, six hundred fifty-eight".