Search a number
-
+
145804677 = 371977057
BaseRepresentation
bin10001011000011…
…00110110000101
3101011100122102020
420230030312011
5244311222202
622245033353
73420214344
oct1054146605
9334318366
10145804677
1175337237
12409b5859
1324290475
1415515b5b
15cc015bc
hex8b0cd85

145804677 has 16 divisors (see below), whose sum is σ = 199204992. Its totient is φ = 94832640.

The previous prime is 145804667. The next prime is 145804693. The reversal of 145804677 is 776408541.

It is not a de Polignac number, because 145804677 - 24 = 145804661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145804657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17133 + ... + 24189.

It is an arithmetic number, because the mean of its divisors is an integer number (12450312).

Almost surely, 2145804677 is an apocalyptic number.

It is an amenable number.

145804677 is a deficient number, since it is larger than the sum of its proper divisors (53400315).

145804677 is an equidigital number, since it uses as much as digits as its factorization.

145804677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7228.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 145804677 is about 12074.9607452778. The cubic root of 145804677 is about 526.3288206498.

The spelling of 145804677 in words is "one hundred forty-five million, eight hundred four thousand, six hundred seventy-seven".

Divisors: 1 3 71 97 213 291 6887 7057 20661 21171 501047 684529 1503141 2053587 48601559 145804677