145877801 has 32 divisors (see below), whose sum is σ = 167270400. Its totient is φ = 126584640.

The previous prime is 145877777. The next prime is 145877803. The reversal of 145877801 is 108778541.

145877801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145877801 - 2¹⁰ = 145876777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145877803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1113506 + ... + 1113636.

It is an arithmetic number, because the mean of its divisors is an integer number (5227200).

Almost surely, 2^145877801 is an apocalyptic number.

It is an amenable number.

145877801 is a deficient number, since it is larger than the sum of its proper divisors (21392599).

145877801 is a wasteful number, since it uses less digits than its factorization.

145877801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269.

The product of its (nonzero) digits is 62720, while the sum is 41.

The square root of 145877801 is about 12077.9882844785. The cubic root of 145877801 is about 526.4167941342.

The spelling of 145877801 in words is "one hundred forty-five million, eight hundred seventy-seven thousand, eight hundred one".