145650801 has 4 divisors (see below), whose sum is σ = 194201072. Its totient is φ = 97100532.

The previous prime is 145650767. The next prime is 145650809. The reversal of 145650801 is 108056541.

145650801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 108056541 = 3 ⋅36018847.

It is not a de Polignac number, because 145650801 - 2¹¹ = 145648753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145650809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24275131 + ... + 24275136.

It is an arithmetic number, because the mean of its divisors is an integer number (48550268).

Almost surely, 2^145650801 is an apocalyptic number.

It is an amenable number.

145650801 is a deficient number, since it is larger than the sum of its proper divisors (48550271).

145650801 is an equidigital number, since it uses as much as digits as its factorization.

145650801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48550270.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 145650801 is about 12068.5873655536. The cubic root of 145650801 is about 526.1436005254.

The spelling of 145650801 in words is "one hundred forty-five million, six hundred fifty thousand, eight hundred one".