Search a number
-
+
145049995 = 5129722367
BaseRepresentation
bin10001010010101…
…00100110001011
3101002221022012001
420221110212023
5244113044440
622220531431
73410622166
oct1051244613
9332838161
10145049995
1174971232
12406b0b77
1324087acc
141539aadd
15cb02b9a
hex8a5498b

145049995 has 8 divisors (see below), whose sum is σ = 174201984. Its totient is φ = 115945344.

The previous prime is 145049987. The next prime is 145050013. The reversal of 145049995 is 599940541.

It is a happy number.

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 145049995 - 23 = 145049987 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4699 + ... + 17668.

It is an arithmetic number, because the mean of its divisors is an integer number (21775248).

Almost surely, 2145049995 is an apocalyptic number.

145049995 is a deficient number, since it is larger than the sum of its proper divisors (29151989).

145049995 is a wasteful number, since it uses less digits than its factorization.

145049995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23669.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 145049995 is about 12043.6703292642. The cubic root of 145049995 is about 525.4191603400.

The spelling of 145049995 in words is "one hundred forty-five million, forty-nine thousand, nine hundred ninety-five".

Divisors: 1 5 1297 6485 22367 111835 29009999 145049995