Search a number
-
+
145057667 = 791999227
BaseRepresentation
bin10001010010101…
…10011110000011
3101002221200201012
420221112132003
5244113321132
622221031135
73410653436
oct1051263603
9332850635
10145057667
1174976a77
12406b54ab
132408b451
141539d81d
15cb050b2
hex8a56783

145057667 has 8 divisors (see below), whose sum is σ = 147648000. Its totient is φ = 142486344.

The previous prime is 145057639. The next prime is 145057673. The reversal of 145057667 is 766750541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145057667 - 222 = 140863363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145057607) 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 7 ways as a sum of consecutive naturals, for example, 11108 + ... + 20334.

It is an arithmetic number, because the mean of its divisors is an integer number (18456000).

Almost surely, 2145057667 is an apocalyptic number.

145057667 is a deficient number, since it is larger than the sum of its proper divisors (2590333).

145057667 is an equidigital number, since it uses as much as digits as its factorization.

145057667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9505.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 145057667 is about 12043.9888326086. The cubic root of 145057667 is about 525.4284236856.

The spelling of 145057667 in words is "one hundred forty-five million, fifty-seven thousand, six hundred sixty-seven".

Divisors: 1 79 199 9227 15721 728933 1836173 145057667