145566051 has 32 divisors (see below), whose sum is σ = 207567360. Its totient is φ = 90580224.

The previous prime is 145566023. The next prime is 145566077. The reversal of 145566051 is 150665541.

It is not a de Polignac number, because 145566051 - 2⁷ = 145565923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145566151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 624631 + ... + 624863.

It is an arithmetic number, because the mean of its divisors is an integer number (6486480).

Almost surely, 2^145566051 is an apocalyptic number.

145566051 is a deficient number, since it is larger than the sum of its proper divisors (62001309).

145566051 is a wasteful number, since it uses less digits than its factorization.

145566051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 145566051 is about 12065.0756731982. The cubic root of 145566051 is about 526.0415314641.

The spelling of 145566051 in words is "one hundred forty-five million, five hundred sixty-six thousand, fifty-one".