145650501 has 8 divisors (see below), whose sum is σ = 215778560. Its totient is φ = 97100316.

The previous prime is 145650497. The next prime is 145650517. The reversal of 145650501 is 105056541.

It is a happy number.

145650501 is a `hidden beast` number, since 1 + 4 + 5 + 650 + 5 + 0 + 1 = 666.

145650501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145650501 - 2² = 145650497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5394463 = 145650501 / (1 + 4 + 5 + 6 + 5 + 0 + 5 + 0 + 1).

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145650521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2697205 + ... + 2697258.

It is an arithmetic number, because the mean of its divisors is an integer number (26972320).

Almost surely, 2^145650501 is an apocalyptic number.

It is an amenable number.

145650501 is a deficient number, since it is larger than the sum of its proper divisors (70128059).

145650501 is an equidigital number, since it uses as much as digits as its factorization.

145650501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5394472 (or 5394466 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 145650501 is about 12068.5749365863. The cubic root of 145650501 is about 526.1432392889.

The spelling of 145650501 in words is "one hundred forty-five million, six hundred fifty thousand, five hundred one".