145555046 has 16 divisors (see below), whose sum is σ = 268717344. Its totient is φ = 57582144.

The previous prime is 145555001. The next prime is 145555057. The reversal of 145555046 is 640555541.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145554997 and 145555015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399695 + ... + 400058.

It is an arithmetic number, because the mean of its divisors is an integer number (16794834).

Almost surely, 2^145555046 is an apocalyptic number.

145555046 is a deficient number, since it is larger than the sum of its proper divisors (123162298).

145555046 is a wasteful number, since it uses less digits than its factorization.

145555046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799775.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 145555046 is about 12064.6195961580. The cubic root of 145555046 is about 526.0282746346.

The spelling of 145555046 in words is "one hundred forty-five million, five hundred fifty-five thousand, forty-six".